79409374 has 16 divisors (see below), whose sum is σ = 133113456. Its totient is φ = 35214400.

The previous prime is 79409359. The next prime is 79409381. The reversal of 79409374 is 47390497.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 79409374.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43117 + ... + 44920.

It is an arithmetic number, because the mean of its divisors is an integer number (8319591).

Almost surely, 2^79409374 is an apocalyptic number.

79409374 is a deficient number, since it is larger than the sum of its proper divisors (53704082).

79409374 is a wasteful number, since it uses less digits than its factorization.

79409374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88091.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 79409374 is about 8911.1937471923. The cubic root of 79409374 is about 429.8239300787.

The spelling of 79409374 in words is "seventy-nine million, four hundred nine thousand, three hundred seventy-four".