79533480 has 128 divisors (see below), whose sum is σ = 272160000. Its totient is φ = 18419712.

The previous prime is 79533451. The next prime is 79533511. The reversal of 79533480 is 8433597.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25021 + ... + 28019.

It is an arithmetic number, because the mean of its divisors is an integer number (2126250).

Almost surely, 2^79533480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79533480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136080000).

79533480 is an abundant number, since it is smaller than the sum of its proper divisors (192626520).

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

79533480 is a wasteful number, since it uses less digits than its factorization.

79533480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3043 (or 3039 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 79533480 is about 8918.1545176118. The cubic root of 79533480 is about 430.0477322171.

The spelling of 79533480 in words is "seventy-nine million, five hundred thirty-three thousand, four hundred eighty".