79191330 has 16 divisors (see below), whose sum is σ = 190059264. Its totient is φ = 21117680.

The previous prime is 79191319. The next prime is 79191331. The reversal of 79191330 is 3319197.

It is a junction number, because it is equal to n+sod(n) for n = 79191291 and 79191300.

It is not an unprimeable number, because it can be changed into a prime (79191331) 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, 1319826 + ... + 1319885.

It is an arithmetic number, because the mean of its divisors is an integer number (11878704).

Almost surely, 2^79191330 is an apocalyptic number.

79191330 is an abundant number, since it is smaller than the sum of its proper divisors (110867934).

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

79191330 is a wasteful number, since it uses less digits than its factorization.

79191330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639721.

The product of its (nonzero) digits is 5103, while the sum is 33.

The square root of 79191330 is about 8898.9510617825. The cubic root of 79191330 is about 429.4301627968.

The spelling of 79191330 in words is "seventy-nine million, one hundred ninety-one thousand, three hundred thirty".