79740126 has 40 divisors (see below), whose sum is σ = 186454224. Its totient is φ = 25423200.

The previous prime is 79740119. The next prime is 79740127. The reversal of 79740126 is 62104797.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79740127) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6975 + ... + 14426.

Almost surely, 2^79740126 is an apocalyptic number.

79740126 is an abundant number, since it is smaller than the sum of its proper divisors (106714098).

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

79740126 is a wasteful number, since it uses less digits than its factorization.

79740126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21438 (or 21429 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 79740126 is about 8929.7326947675. The cubic root of 79740126 is about 430.4198639218.

The spelling of 79740126 in words is "seventy-nine million, seven hundred forty thousand, one hundred twenty-six".