79360621 has 4 divisors (see below), whose sum is σ = 79380000. Its totient is φ = 79341244.

The previous prime is 79360613. The next prime is 79360627. The reversal of 79360621 is 12606397.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79360621 - 2³ = 79360613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79360627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871 + ... + 12628.

It is an arithmetic number, because the mean of its divisors is an integer number (19845000).

Almost surely, 2^79360621 is an apocalyptic number.

It is an amenable number.

79360621 is a deficient number, since it is larger than the sum of its proper divisors (19379).

79360621 is a wasteful number, since it uses less digits than its factorization.

79360621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19378.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 79360621 is about 8908.4578351138. The cubic root of 79360621 is about 429.7359492988.

The spelling of 79360621 in words is "seventy-nine million, three hundred sixty thousand, six hundred twenty-one".