80842724 has 12 divisors (see below), whose sum is σ = 141637104. Its totient is φ = 40374984.

The previous prime is 80842721. The next prime is 80842733. The reversal of 80842724 is 42724808.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (80842721) 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, 7514 + ... + 14769.

It is an arithmetic number, because the mean of its divisors is an integer number (11803092).

Almost surely, 2^80842724 is an apocalyptic number.

It is an amenable number.

80842724 is a deficient number, since it is larger than the sum of its proper divisors (60794380).

80842724 is a wasteful number, since it uses less digits than its factorization.

80842724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23194 (or 23192 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 80842724 is about 8991.2581989397. The cubic root of 80842724 is about 432.3946510760.

The spelling of 80842724 in words is "eighty million, eight hundred forty-two thousand, seven hundred twenty-four".