79400274 has 32 divisors (see below), whose sum is σ = 163088640. Its totient is φ = 25756752.

The previous prime is 79400267. The next prime is 79400281. The reversal of 79400274 is 47200497.

It is an interprime number because it is at equal distance from previous prime (79400267) and next prime (79400281).

It is a super-2 number, since 2×79400274² = 12608807022550152, which contains 22 as substring.

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, 120157 + ... + 120815.

It is an arithmetic number, because the mean of its divisors is an integer number (5096520).

Almost surely, 2^79400274 is an apocalyptic number.

79400274 is an abundant number, since it is smaller than the sum of its proper divisors (83688366).

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

79400274 is a wasteful number, since it uses less digits than its factorization.

79400274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 79400274 is about 8910.6831387947. The cubic root of 79400274 is about 429.8075107444.

The spelling of 79400274 in words is "seventy-nine million, four hundred thousand, two hundred seventy-four".