Number of the day: 73904

Properties of the number 73904:

73904 = 2⁴ × 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 = 33² + … + 63² is the sum of at least 2 consecutive positive squares in 1 way.
73904 = 18477² - 18475² = 9240² - 9236² = 4623² - 4615² = 627² - 565² = 360² - 236² = 273² - 25² is the difference of 2 nonnegative squares in 6 ways.
73904 is the difference of 2 positive pentagonal numbers in 2 ways.
73904 = 52² + 60² + 260² is the sum of 3 positive squares.
73904² = 25296² + 69440² is the sum of 2 positive squares in 1 way.
73904² is the sum of 3 positive squares.
73904 is a proper divisor of 1489² - 1.
73904 is palindromic in (at least) base 48.
73904 in base 48 = W3W and consists of only the digits '3' and 'W'.