80972592 has 40 divisors (see below), whose sum is σ = 209778240. Its totient is φ = 26913600.

The previous prime is 80972579. The next prime is 80972629. The reversal of 80972592 is 29527908.

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, 15967 + ... + 20417.

It is an arithmetic number, because the mean of its divisors is an integer number (5244456).

Almost surely, 2^80972592 is an apocalyptic number.

It is an amenable number.

80972592 is an abundant number, since it is smaller than the sum of its proper divisors (128805648).

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

80972592 is a wasteful number, since it uses less digits than its factorization.

80972592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4841 (or 4835 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 80972592 is about 8998.4772045052. The cubic root of 80972592 is about 432.6260641347.

The spelling of 80972592 in words is "eighty million, nine hundred seventy-two thousand, five hundred ninety-two".