72684932 has 24 divisors (see below), whose sum is σ = 131157600. Its totient is φ = 35228736.

The previous prime is 72684929. The next prime is 72684947. The reversal of 72684932 is 23948627.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 72684932.

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, 15119 + ... + 19337.

It is an arithmetic number, because the mean of its divisors is an integer number (5464900).

Almost surely, 2^72684932 is an apocalyptic number.

It is an amenable number.

72684932 is a deficient number, since it is larger than the sum of its proper divisors (58472668).

72684932 is a wasteful number, since it uses less digits than its factorization.

72684932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4355 (or 4353 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 72684932 is about 8525.5458476276. The cubic root of 72684932 is about 417.3317849353.

It can be divided in two parts, 726 and 84932, that added together give a palindrome (85658).

The spelling of 72684932 in words is "seventy-two million, six hundred eighty-four thousand, nine hundred thirty-two".