72576972 has 60 divisors (see below), whose sum is σ = 204337056. Its totient is φ = 22330080.

The previous prime is 72576953. The next prime is 72577003. The reversal of 72576972 is 27967527.

72576972 is a `hidden beast` number, since 7 + 2 + 576 + 9 + 72 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4404 + ... + 12827.

Almost surely, 2^72576972 is an apocalyptic number.

It is an amenable number.

72576972 is an abundant number, since it is smaller than the sum of its proper divisors (131760084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72576972 is a wasteful number, since it uses less digits than its factorization.

72576972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17260 (or 17249 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 72576972 is about 8519.2119353846. The cubic root of 72576972 is about 417.1250595352.

The spelling of 72576972 in words is "seventy-two million, five hundred seventy-six thousand, nine hundred seventy-two".