79056642 has 32 divisors (see below), whose sum is σ = 185588352. Its totient is φ = 21976704.

The previous prime is 79056641. The next prime is 79056673. The reversal of 79056642 is 24665097.

It is a self number, because there is not a number n which added to its sum of digits gives 79056642.

It is not an unprimeable number, because it can be changed into a prime (79056641) 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, 23883 + ... + 26990.

It is an arithmetic number, because the mean of its divisors is an integer number (5799636).

Almost surely, 2^79056642 is an apocalyptic number.

79056642 is an abundant number, since it is smaller than the sum of its proper divisors (106531710).

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

79056642 is a wasteful number, since it uses less digits than its factorization.

79056642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50922.

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

The square root of 79056642 is about 8891.3802078193. The cubic root of 79056642 is about 429.1865674793.

The spelling of 79056642 in words is "seventy-nine million, fifty-six thousand, six hundred forty-two".