79274240 has 36 divisors (see below), whose sum is σ = 189889644. Its totient is φ = 31709184.

The previous prime is 79274219. The next prime is 79274297. The reversal of 79274240 is 4247297.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31719424 + 47554816 = 5632^2 + 6896^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 79274240.

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, 29687 + ... + 32246.

Almost surely, 2^79274240 is an apocalyptic number.

It is an amenable number.

79274240 is an abundant number, since it is smaller than the sum of its proper divisors (110615404).

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

79274240 is an equidigital number, since it uses as much as digits as its factorization.

79274240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61954 (or 61940 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 79274240 is about 8903.6082573303. The cubic root of 79274240 is about 429.5799756476.

It can be divided in two parts, 7927 and 4240, that added together give a cube (12167 = 23³).

The spelling of 79274240 in words is "seventy-nine million, two hundred seventy-four thousand, two hundred forty".