80372544 has 84 divisors (see below), whose sum is σ = 247400064. Its totient is φ = 22960896.

The previous prime is 80372531. The next prime is 80372569. The reversal of 80372544 is 44527308.

It is a tau number, because it is divible by the number of its divisors (84).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5137 + ... + 13679.

Almost surely, 2^80372544 is an apocalyptic number.

80372544 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80372544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123700032).

80372544 is an abundant number, since it is smaller than the sum of its proper divisors (167027520).

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

80372544 is a wasteful number, since it uses less digits than its factorization.

80372544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8572 (or 8555 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 80372544 is about 8965.0735635576. The cubic root of 80372544 is about 431.5547538793.

The spelling of 80372544 in words is "eighty million, three hundred seventy-two thousand, five hundred forty-four".