72906932 has 12 divisors (see below), whose sum is σ = 145813920. Its totient is φ = 31245816.

The previous prime is 72906929. The next prime is 72906937. The reversal of 72906932 is 23960927.

72906932 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72906937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1301882 + ... + 1301937.

It is an arithmetic number, because the mean of its divisors is an integer number (12151160).

Almost surely, 2^72906932 is an apocalyptic number.

It is an amenable number.

72906932 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72906932 is a wasteful number, since it uses less digits than its factorization.

72906932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603830 (or 2603828 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 72906932 is about 8538.5556155593. Note that the first 3 decimals coincide. The cubic root of 72906932 is about 417.7562355494.

The spelling of 72906932 in words is "seventy-two million, nine hundred six thousand, nine hundred thirty-two".