79462440 has 96 divisors (see below), whose sum is σ = 260881920. Its totient is φ = 20974464.

The previous prime is 79462381. The next prime is 79462459. The reversal of 79462440 is 4426497.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 79462395 and 79462404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36009 + ... + 38151.

It is an arithmetic number, because the mean of its divisors is an integer number (2717520).

Almost surely, 2^79462440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79462440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130440960).

79462440 is an abundant number, since it is smaller than the sum of its proper divisors (181419480).

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

79462440 is a wasteful number, since it uses less digits than its factorization.

79462440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263 (or 2256 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 79462440 is about 8914.1707410168. The cubic root of 79462440 is about 429.9196532771.

The spelling of 79462440 in words is "seventy-nine million, four hundred sixty-two thousand, four hundred forty".