### Properties of the number 73904:

73904 = 2^{4}× 31 × 149 is the 66609

^{th}composite number and is not squarefree.

73904 has 3 distinct prime factors, 20 divisors, 15 antidivisors and 35520 totatives.

73904 has a prime digit sum 23 in base 10.

Reversing the decimal digits of 73904 results in a sphenic number.

73904 = 33

^{2}+ … + 63

^{2}is the sum of at least 2 consecutive positive squares in 1 way.

73904 = 18477

^{2}- 18475

^{2}= 9240

^{2}- 9236

^{2}= 4623

^{2}- 4615

^{2}= 627

^{2}- 565

^{2}= 360

^{2}- 236

^{2}= 273

^{2}- 25

^{2}is the difference of 2 nonnegative squares in 6 ways.

73904 is the difference of 2 positive pentagonal numbers in 2 ways.

73904 = 52

^{2}+ 60

^{2}+ 260

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

73904

^{2}= 25296

^{2}+ 69440

^{2}is the sum of 2 positive squares in 1 way.

73904

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

73904 is a proper divisor of 1489

^{2}- 1.

73904 is palindromic in (at least) base 48.

73904 in base 48 = W3W and consists of only the digits '3' and 'W'.

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