72792232 has 16 divisors (see below), whose sum is σ = 144514260. Its totient is φ = 34255104.

The previous prime is 72792221. The next prime is 72792241. The reversal of 72792232 is 23229727.

It can be written as a sum of positive squares in 2 ways, for example, as 69989956 + 2802276 = 8366^2 + 1674^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 267483 + ... + 267754.

Almost surely, 2^72792232 is an apocalyptic number.

It is an amenable number.

72792232 is a deficient number, since it is larger than the sum of its proper divisors (71722028).

72792232 is a wasteful number, since it uses less digits than its factorization.

72792232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535260 (or 535256 counting only the distinct ones).

The product of its digits is 21168, while the sum is 34.

The square root of 72792232 is about 8531.8363791156. The cubic root of 72792232 is about 417.5370438165.

The spelling of 72792232 in words is "seventy-two million, seven hundred ninety-two thousand, two hundred thirty-two".