### Properties of the number 74066:

74066 = 2 × 29 × 1277 is a sphenic number and squarefree.74066 has 3 distinct prime factors, 8 divisors, 15 antidivisors and 35728 totatives.

74066 has a prime digit sum 23 in base 10.

Reversing the decimal digits of 74066 results in a prime.

74066 is the difference of 2 positive pentagonal numbers in 2 ways.

74066 = 179

^{2}+ 205

^{2}= 25

^{2}+ 271

^{2}is the sum of 2 positive squares in 2 ways.

74066 = 29

^{2}+ 44

^{2}+ 267

^{2}is the sum of 3 positive squares.

74066

^{2}= 51080

^{2}+ 53634

^{2}= 13550

^{2}+ 72816

^{2}= 9984

^{2}+ 73390

^{2}= 43384

^{2}+ 60030

^{2}is the sum of 2 positive squares in 4 ways.

74066

^{2}is the sum of 3 positive squares.

74066 is a divisor of 347

^{22}- 1.

74066 is palindromic in (at least) the following bases: 59, 64, and -57.

74066 in base 42 = ffK and consists of only the digits 'K' and 'f'.

74066 in base 56 = NYY and consists of only the digits 'N' and 'Y'.

74066 in base 59 = LGL and consists of only the digits 'G' and 'L'.

### The number 74066 belongs to the following On-Line Encyclopedia of Integer Sequences (OEIS) sequence (among others):

Sequence number and description below are taken from OEIS.A031609: Numbers n such that continued fraction for sqrt(n) has odd period and central terms 21.

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