72799056 has 60 divisors (see below), whose sum is σ = 222262560. Its totient is φ = 22059840.

The previous prime is 72799039. The next prime is 72799057. The reversal of 72799056 is 65099727.

It is a super-2 number, since 2×72799056² = 10599405108982272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72799057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21396 + ... + 24563.

It is an arithmetic number, because the mean of its divisors is an integer number (3704376).

Almost surely, 2^72799056 is an apocalyptic number.

It is an amenable number.

72799056 is an abundant number, since it is smaller than the sum of its proper divisors (149463504).

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

72799056 is a wasteful number, since it uses less digits than its factorization.

72799056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45984 (or 45975 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 72799056 is about 8532.2362836480. The cubic root of 72799056 is about 417.5500909218.

The spelling of 72799056 in words is "seventy-two million, seven hundred ninety-nine thousand, fifty-six".