72634916 has 12 divisors (see below), whose sum is σ = 127205232. Its totient is φ = 36290568.

The previous prime is 72634873. The next prime is 72634949. The reversal of 72634916 is 61943627.

It is a self number, because there is not a number n which added to its sum of digits gives 72634916.

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, 131 + ... + 12053.

It is an arithmetic number, because the mean of its divisors is an integer number (10600436).

Almost surely, 2^72634916 is an apocalyptic number.

It is an amenable number.

72634916 is a deficient number, since it is larger than the sum of its proper divisors (54570316).

72634916 is a wasteful number, since it uses less digits than its factorization.

72634916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13450 (or 13448 counting only the distinct ones).

The product of its digits is 54432, while the sum is 38.

The square root of 72634916 is about 8522.6120409180. The cubic root of 72634916 is about 417.2360381022.

The spelling of 72634916 in words is "seventy-two million, six hundred thirty-four thousand, nine hundred sixteen".