72422832 has 40 divisors (see below), whose sum is σ = 196941760. Its totient is φ = 22870080.

The previous prime is 72422821. The next prime is 72422887. The reversal of 72422832 is 23822427.

It is a self number, because there is not a number n which added to its sum of digits gives 72422832.

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, 38794 + ... + 40617.

It is an arithmetic number, because the mean of its divisors is an integer number (4923544).

Almost surely, 2^72422832 is an apocalyptic number.

It is an amenable number.

72422832 is an abundant number, since it is smaller than the sum of its proper divisors (124518928).

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

72422832 is a wasteful number, since it uses less digits than its factorization.

72422832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79441 (or 79435 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 72422832 is about 8510.1605155250. The cubic root of 72422832 is about 416.8295515339.

The spelling of 72422832 in words is "seventy-two million, four hundred twenty-two thousand, eight hundred thirty-two".