72716756 has 24 divisors (see below), whose sum is σ = 146205696. Its totient is φ = 30998880.

The previous prime is 72716747. The next prime is 72716767. The reversal of 72716756 is 65761727.

It is a congruent number.

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, 1451 + ... + 12146.

It is an arithmetic number, because the mean of its divisors is an integer number (6091904).

Almost surely, 2^72716756 is an apocalyptic number.

It is an amenable number.

72716756 is an abundant number, since it is smaller than the sum of its proper divisors (73488940).

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

72716756 is a wasteful number, since it uses less digits than its factorization.

72716756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13799 (or 13797 counting only the distinct ones).

The product of its digits is 123480, while the sum is 41.

The square root of 72716756 is about 8527.4120341403. The cubic root of 72716756 is about 417.3926835219.

The spelling of 72716756 in words is "seventy-two million, seven hundred sixteen thousand, seven hundred fifty-six".