79581073 has 16 divisors (see below), whose sum is σ = 94046400. Its totient is φ = 66386880.

The previous prime is 79581071. The next prime is 79581079. The reversal of 79581073 is 37018597.

It is a cyclic number.

It is not a de Polignac number, because 79581073 - 2¹ = 79581071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79581071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24043 + ... + 27151.

It is an arithmetic number, because the mean of its divisors is an integer number (5877900).

Almost surely, 2^79581073 is an apocalyptic number.

It is an amenable number.

79581073 is a deficient number, since it is larger than the sum of its proper divisors (14465327).

79581073 is a wasteful number, since it uses less digits than its factorization.

79581073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 79581073 is about 8920.8224396633. The cubic root of 79581073 is about 430.1334955984.

The spelling of 79581073 in words is "seventy-nine million, five hundred eighty-one thousand, seventy-three".