79130321 has 12 divisors (see below), whose sum is σ = 82990080. Its totient is φ = 75371040.

The previous prime is 79130297. The next prime is 79130333. The reversal of 79130321 is 12303197.

It is a de Polignac number, because none of the positive numbers 2^k-79130321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79130021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164960 + ... + 165438.

It is an arithmetic number, because the mean of its divisors is an integer number (6915840).

Almost surely, 2^79130321 is an apocalyptic number.

It is an amenable number.

79130321 is a deficient number, since it is larger than the sum of its proper divisors (3859759).

79130321 is an equidigital number, since it uses as much as digits as its factorization.

79130321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 79130321 is about 8895.5225254057. The cubic root of 79130321 is about 429.3198568007.

The spelling of 79130321 in words is "seventy-nine million, one hundred thirty thousand, three hundred twenty-one".