79224491 has 8 divisors (see below), whose sum is σ = 83081280. Its totient is φ = 75442752.

The previous prime is 79224473. The next prime is 79224517. The reversal of 79224491 is 19442297.

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

It is a cyclic number.

It is not a de Polignac number, because 79224491 - 2²² = 75030187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79224461) 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, 16595 + ... + 20828.

It is an arithmetic number, because the mean of its divisors is an integer number (10385160).

Almost surely, 2^79224491 is an apocalyptic number.

79224491 is a deficient number, since it is larger than the sum of its proper divisors (3856789).

79224491 is a wasteful number, since it uses less digits than its factorization.

79224491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37525.

The product of its digits is 36288, while the sum is 38.

The square root of 79224491 is about 8900.8140638933. The cubic root of 79224491 is about 429.4900950579.

The spelling of 79224491 in words is "seventy-nine million, two hundred twenty-four thousand, four hundred ninety-one".