79916274 has 64 divisors (see below), whose sum is σ = 183828480. Its totient is φ = 25719120.

The previous prime is 79916227. The next prime is 79916311. The reversal of 79916274 is 47261997.

It is a super-2 number, since 2×79916274² = 12773221700086152, which contains 22 as substring.

It is a Curzon number.

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, 294759 + ... + 295029.

It is an arithmetic number, because the mean of its divisors is an integer number (2872320).

Almost surely, 2^79916274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79916274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91914240).

79916274 is an abundant number, since it is smaller than the sum of its proper divisors (103912206).

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

79916274 is a wasteful number, since it uses less digits than its factorization.

79916274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 446 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 79916274 is about 8939.5902590667. The cubic root of 79916274 is about 430.7365670370.

It can be divided in two parts, 799162 and 74, that added together give a square (799236 = 894²).

The spelling of 79916274 in words is "seventy-nine million, nine hundred sixteen thousand, two hundred seventy-four".