79274605 has 4 divisors (see below), whose sum is σ = 95129532. Its totient is φ = 63419680.

The previous prime is 79274581. The next prime is 79274653. The reversal of 79274605 is 50647297.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8277129 + 70997476 = 2877^2 + 8426^2 .

It is not a de Polignac number, because 79274605 - 2²⁵ = 45720173 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7927456 + ... + 7927465.

It is an arithmetic number, because the mean of its divisors is an integer number (23782383).

Almost surely, 2^79274605 is an apocalyptic number.

It is an amenable number.

79274605 is a deficient number, since it is larger than the sum of its proper divisors (15854927).

79274605 is a wasteful number, since it uses less digits than its factorization.

79274605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15854926.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 79274605 is about 8903.6287546146. The cubic root of 79274605 is about 429.5806349473.

The spelling of 79274605 in words is "seventy-nine million, two hundred seventy-four thousand, six hundred five".