79674034590 has 64 divisors (see below), whose sum is σ = 212527134720. Its totient is φ = 21240105120.

The previous prime is 79674034507. The next prime is 79674034597. The reversal of 79674034590 is 9543047697.

It is a happy number.

79674034590 is a `hidden beast` number, since 7 + 9 + 6 + 7 + 40 + 3 + 4 + 590 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79674034597) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 905947 + ... + 989993.

It is an arithmetic number, because the mean of its divisors is an integer number (3320736480).

Almost surely, 2^79674034590 is an apocalyptic number.

79674034590 is an abundant number, since it is smaller than the sum of its proper divisors (132853100130).

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

79674034590 is a wasteful number, since it uses less digits than its factorization.

79674034590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87574 (or 87568 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 79674034590 in words is "seventy-nine billion, six hundred seventy-four million, thirty-four thousand, five hundred ninety".