72807792 has 20 divisors (see below), whose sum is σ = 188086920. Its totient is φ = 24269248.

The previous prime is 72807781. The next prime is 72807797. The reversal of 72807792 is 29770827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72807797) 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, 758367 + ... + 758462.

It is an arithmetic number, because the mean of its divisors is an integer number (9404346).

Almost surely, 2^72807792 is an apocalyptic number.

It is an amenable number.

72807792 is an abundant number, since it is smaller than the sum of its proper divisors (115279128).

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

72807792 is a wasteful number, since it uses less digits than its factorization.

72807792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516840 (or 1516834 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 72807792 is about 8532.7482091059. The cubic root of 72807792 is about 417.5667924740.

The spelling of 72807792 in words is "seventy-two million, eight hundred seven thousand, seven hundred ninety-two".