80972590 has 8 divisors (see below), whose sum is σ = 145750680. Its totient is φ = 32389032.

The previous prime is 80972579. The next prime is 80972629. The reversal of 80972590 is 9527908.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4048620 + ... + 4048639.

It is an arithmetic number, because the mean of its divisors is an integer number (18218835).

Almost surely, 2^80972590 is an apocalyptic number.

80972590 is a deficient number, since it is larger than the sum of its proper divisors (64778090).

80972590 is a wasteful number, since it uses less digits than its factorization.

80972590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8097266.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 80972590 is about 8998.4770933753. The cubic root of 80972590 is about 432.6260605728.

The spelling of 80972590 in words is "eighty million, nine hundred seventy-two thousand, five hundred ninety".