79956740 has 24 divisors (see below), whose sum is σ = 175210560. Its totient is φ = 30591968.

The previous prime is 79956739. The next prime is 79956743. The reversal of 79956740 is 4765997.

It is not an unprimeable number, because it can be changed into a prime (79956743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86450 + ... + 87369.

It is an arithmetic number, because the mean of its divisors is an integer number (7300440).

Almost surely, 2^79956740 is an apocalyptic number.

It is an amenable number.

79956740 is an abundant number, since it is smaller than the sum of its proper divisors (95253820).

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

79956740 is a wasteful number, since it uses less digits than its factorization.

79956740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173851 (or 173849 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 79956740 is about 8941.8532754681. The cubic root of 79956740 is about 430.8092566321.

The spelling of 79956740 in words is "seventy-nine million, nine hundred fifty-six thousand, seven hundred forty".