79873280 has 36 divisors (see below), whose sum is σ = 191324532. Its totient is φ = 31948800.

The previous prime is 79873271. The next prime is 79873291. The reversal of 79873280 is 8237897.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 58491904 + 21381376 = 7648^2 + 4624^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29921 + ... + 32480.

Almost surely, 2^79873280 is an apocalyptic number.

It is an amenable number.

79873280 is an abundant number, since it is smaller than the sum of its proper divisors (111451252).

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

79873280 is an equidigital number, since it uses as much as digits as its factorization.

79873280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62422 (or 62408 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 79873280 is about 8937.1852392126. The cubic root of 79873280 is about 430.6593094729.

The spelling of 79873280 in words is "seventy-nine million, eight hundred seventy-three thousand, two hundred eighty".