80021174 has 4 divisors (see below), whose sum is σ = 120031764. Its totient is φ = 40010586.

The previous prime is 80021171. The next prime is 80021239. The reversal of 80021174 is 47112008.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80021171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20005292 + ... + 20005295.

It is an arithmetic number, because the mean of its divisors is an integer number (30007941).

Almost surely, 2^80021174 is an apocalyptic number.

80021174 is a deficient number, since it is larger than the sum of its proper divisors (40010590).

80021174 is a wasteful number, since it uses less digits than its factorization.

80021174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40010589.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 80021174 is about 8945.4554942719. The cubic root of 80021174 is about 430.9249496531.

The spelling of 80021174 in words is "eighty million, twenty-one thousand, one hundred seventy-four".