73216904 has 16 divisors (see below), whose sum is σ = 139216320. Its totient is φ = 36092560.

The previous prime is 73216849. The next prime is 73216991. The reversal of 73216904 is 40961237.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63884 + ... + 65019.

It is an arithmetic number, because the mean of its divisors is an integer number (8701020).

Almost surely, 2^73216904 is an apocalyptic number.

It is an amenable number.

73216904 is a deficient number, since it is larger than the sum of its proper divisors (65999416).

73216904 is a wasteful number, since it uses less digits than its factorization.

73216904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128980 (or 128976 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 73216904 is about 8556.6876768993. The cubic root of 73216904 is about 418.3474443088.

The spelling of 73216904 in words is "seventy-three million, two hundred sixteen thousand, nine hundred four".