79225719 has 8 divisors (see below), whose sum is σ = 105680640. Its totient is φ = 52793976.

The previous prime is 79225711. The next prime is 79225747. The reversal of 79225719 is 91752297.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79225719 - 2³ = 79225711 is a prime.

It is a super-2 number, since 2×79225719² = 12553429102133922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79225711) 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, 5124 + ... + 13590.

It is an arithmetic number, because the mean of its divisors is an integer number (13210080).

Almost surely, 2^79225719 is an apocalyptic number.

79225719 is a deficient number, since it is larger than the sum of its proper divisors (26454921).

79225719 is a wasteful number, since it uses less digits than its factorization.

79225719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11589.

The product of its digits is 79380, while the sum is 42.

The square root of 79225719 is about 8900.8830460803. The cubic root of 79225719 is about 429.4923141155.

The spelling of 79225719 in words is "seventy-nine million, two hundred twenty-five thousand, seven hundred nineteen".