79581480 has 64 divisors (see below), whose sum is σ = 260452800. Its totient is φ = 19292160.

The previous prime is 79581473. The next prime is 79581497. The reversal of 79581480 is 8418597.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28825 + ... + 31464.

It is an arithmetic number, because the mean of its divisors is an integer number (4069575).

Almost surely, 2^79581480 is an apocalyptic number.

It is an amenable number.

79581480 is an abundant number, since it is smaller than the sum of its proper divisors (180871320).

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

79581480 is a wasteful number, since it uses less digits than its factorization.

79581480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60314 (or 60310 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 79581480 is about 8920.8452514322. The cubic root of 79581480 is about 430.1342288717.

The spelling of 79581480 in words is "seventy-nine million, five hundred eighty-one thousand, four hundred eighty".