72734572 has 24 divisors (see below), whose sum is σ = 129723776. Its totient is φ = 35676288.

The previous prime is 72734569. The next prime is 72734593. The reversal of 72734572 is 27543727.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64558 + ... + 65674.

Almost surely, 2^72734572 is an apocalyptic number.

It is an amenable number.

72734572 is a deficient number, since it is larger than the sum of its proper divisors (56989204).

72734572 is a wasteful number, since it uses less digits than its factorization.

72734572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417 (or 1415 counting only the distinct ones).

The product of its digits is 82320, while the sum is 37.

The square root of 72734572 is about 8528.4566012849. The cubic root of 72734572 is about 417.4267685629.

The spelling of 72734572 in words is "seventy-two million, seven hundred thirty-four thousand, five hundred seventy-two".