80572730 has 64 divisors (see below), whose sum is σ = 180576000. Its totient is φ = 25256448.

The previous prime is 80572727. The next prime is 80572769. The reversal of 80572730 is 3727508.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37526 + ... + 39614.

It is an arithmetic number, because the mean of its divisors is an integer number (2821500).

Almost surely, 2^80572730 is an apocalyptic number.

80572730 is an abundant number, since it is smaller than the sum of its proper divisors (100003270).

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

80572730 is a wasteful number, since it uses less digits than its factorization.

80572730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 80572730 is about 8976.2313918481. The cubic root of 80572730 is about 431.9127517275.

The spelling of 80572730 in words is "eighty million, five hundred seventy-two thousand, seven hundred thirty".