72910832 has 20 divisors (see below), whose sum is σ = 141783336. Its totient is φ = 36321600.

The previous prime is 72910829. The next prime is 72910861. The reversal of 72910832 is 23801927.

It is a congruent number.

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, 3794 + ... + 12657.

Almost surely, 2^72910832 is an apocalyptic number.

It is an amenable number.

72910832 is a deficient number, since it is larger than the sum of its proper divisors (68872504).

72910832 is a wasteful number, since it uses less digits than its factorization.

72910832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16736 (or 16730 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 72910832 is about 8538.7839883674. The cubic root of 72910832 is about 417.7636844080.

The spelling of 72910832 in words is "seventy-two million, nine hundred ten thousand, eight hundred thirty-two".