79794042 has 32 divisors (see below), whose sum is σ = 162667008. Its totient is φ = 26089776.

The previous prime is 79794041. The next prime is 79794049. The reversal of 79794042 is 24049797.

It is a junction number, because it is equal to n+sod(n) for n = 79793985 and 79794003.

It is not an unprimeable number, because it can be changed into a prime (79794041) 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, 80683 + ... + 81665.

It is an arithmetic number, because the mean of its divisors is an integer number (5083344).

Almost surely, 2^79794042 is an apocalyptic number.

79794042 is an abundant number, since it is smaller than the sum of its proper divisors (82872966).

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

79794042 is a wasteful number, since it uses less digits than its factorization.

79794042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 79794042 is about 8932.7510879908. The cubic root of 79794042 is about 430.5168510146.

It can be divided in two parts, 7979 and 4042, that added together give a palindrome (12021).

The spelling of 79794042 in words is "seventy-nine million, seven hundred ninety-four thousand, forty-two".