72534952 has 32 divisors (see below), whose sum is σ = 158371200. Its totient is φ = 30498624.

The previous prime is 72534941. The next prime is 72534953. The reversal of 72534952 is 25943527.

It is a super-2 number, since 2×72534952² = 10522638523284608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72534953) 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, 9252 + ... + 15187.

It is an arithmetic number, because the mean of its divisors is an integer number (4949100).

Almost surely, 2^72534952 is an apocalyptic number.

It is an amenable number.

72534952 is an abundant number, since it is smaller than the sum of its proper divisors (85836248).

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

72534952 is a wasteful number, since it uses less digits than its factorization.

72534952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24505 (or 24501 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 72534952 is about 8516.7453877640. The cubic root of 72534952 is about 417.0445428173.

The spelling of 72534952 in words is "seventy-two million, five hundred thirty-four thousand, nine hundred fifty-two".