79225017 has 4 divisors (see below), whose sum is σ = 105633360. Its totient is φ = 52816676.

The previous prime is 79224989. The next prime is 79225037. The reversal of 79225017 is 71052297.

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 a de Polignac number, because none of the positive numbers 2^k-79225017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79225037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13204167 + ... + 13204172.

It is an arithmetic number, because the mean of its divisors is an integer number (26408340).

Almost surely, 2^79225017 is an apocalyptic number.

It is an amenable number.

79225017 is a deficient number, since it is larger than the sum of its proper divisors (26408343).

79225017 is a wasteful number, since it uses less digits than its factorization.

79225017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26408342.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 79225017 is about 8900.8436117033. The cubic root of 79225017 is about 429.4910455691.

The spelling of 79225017 in words is "seventy-nine million, two hundred twenty-five thousand, seventeen".