80072444 has 12 divisors (see below), whose sum is σ = 140204064. Its totient is φ = 40014144.

The previous prime is 80072429. The next prime is 80072449. The reversal of 80072444 is 44427008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80072449) 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, 4772 + ... + 13524.

It is an arithmetic number, because the mean of its divisors is an integer number (11683672).

Almost surely, 2^80072444 is an apocalyptic number.

It is an amenable number.

80072444 is a deficient number, since it is larger than the sum of its proper divisors (60131620).

80072444 is a wasteful number, since it uses less digits than its factorization.

80072444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11044 (or 11042 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 80072444 is about 8948.3207363170. The cubic root of 80072444 is about 431.0169619888.

The spelling of 80072444 in words is "eighty million, seventy-two thousand, four hundred forty-four".