15372880 has 20 divisors (see below), whose sum is σ = 35742132. Its totient is φ = 6149120.

The previous prime is 15372839. The next prime is 15372883. The reversal of 15372880 is 8827351.

It can be written as a sum of positive squares in 2 ways, for example, as 9784384 + 5588496 = 3128^2 + 2364^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15372883) 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, 96001 + ... + 96160.

Almost surely, 2^15372880 is an apocalyptic number.

15372880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15372880 is an abundant number, since it is smaller than the sum of its proper divisors (20369252).

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

15372880 is a wasteful number, since it uses less digits than its factorization.

15372880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192174 (or 192168 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 15372880 is about 3920.8264434938. The cubic root of 15372880 is about 248.6480622357.

The spelling of 15372880 in words is "fifteen million, three hundred seventy-two thousand, eight hundred eighty".