72979932 has 24 divisors (see below), whose sum is σ = 173174400. Its totient is φ = 23914096.

The previous prime is 72979919. The next prime is 72979939. The reversal of 72979932 is 23997927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72979939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50832 + ... + 52247.

It is an arithmetic number, because the mean of its divisors is an integer number (7215600).

Almost surely, 2^72979932 is an apocalyptic number.

It is an amenable number.

72979932 is an abundant number, since it is smaller than the sum of its proper divisors (100194468).

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

72979932 is a wasteful number, since it uses less digits than its factorization.

72979932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103145 (or 103143 counting only the distinct ones).

The product of its digits is 428652, while the sum is 48.

The square root of 72979932 is about 8542.8292737243. The cubic root of 72979932 is about 417.8956188775.

The spelling of 72979932 in words is "seventy-two million, nine hundred seventy-nine thousand, nine hundred thirty-two".