72712076 has 6 divisors (see below), whose sum is σ = 127246140. Its totient is φ = 36356036.

The previous prime is 72712063. The next prime is 72712093. The reversal of 72712076 is 67021727.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9089006 + ... + 9089013.

It is an arithmetic number, because the mean of its divisors is an integer number (21207690).

Almost surely, 2^72712076 is an apocalyptic number.

It is an amenable number.

72712076 is a deficient number, since it is larger than the sum of its proper divisors (54534064).

72712076 is a wasteful number, since it uses less digits than its factorization.

72712076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18178023 (or 18178021 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 72712076 is about 8527.1376205618. The cubic root of 72712076 is about 417.3837289619.

The spelling of 72712076 in words is "seventy-two million, seven hundred twelve thousand, seventy-six".