72916504 has 16 divisors (see below), whose sum is σ = 137266920. Its totient is φ = 36312000.

The previous prime is 72916489. The next prime is 72916513. The reversal of 72916504 is 40561927.

It is a self number, because there is not a number n which added to its sum of digits gives 72916504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16149 + ... + 20164.

Almost surely, 2^72916504 is an apocalyptic number.

It is an amenable number.

72916504 is a deficient number, since it is larger than the sum of its proper divisors (64350416).

72916504 is a wasteful number, since it uses less digits than its factorization.

72916504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36570 (or 36566 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 72916504 is about 8539.1161135096. The cubic root of 72916504 is about 417.7745172482.

The spelling of 72916504 in words is "seventy-two million, nine hundred sixteen thousand, five hundred four".