79330540 has 24 divisors (see below), whose sum is σ = 166834080. Its totient is φ = 31686528.

The previous prime is 79330507. The next prime is 79330583. The reversal of 79330540 is 4503397.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13729 + ... + 18631.

It is an arithmetic number, because the mean of its divisors is an integer number (6951420).

Almost surely, 2^79330540 is an apocalyptic number.

It is an amenable number.

79330540 is an abundant number, since it is smaller than the sum of its proper divisors (87503540).

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

79330540 is a wasteful number, since it uses less digits than its factorization.

79330540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5721 (or 5719 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 79330540 is about 8906.7693357356. The cubic root of 79330540 is about 429.6816464613.

The spelling of 79330540 in words is "seventy-nine million, three hundred thirty thousand, five hundred forty".