79224337 has 4 divisors (see below), whose sum is σ = 79257060. Its totient is φ = 79191616.

The previous prime is 79224331. The next prime is 79224349. The reversal of 79224337 is 73342297.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25040016 + 54184321 = 5004^2 + 7361^2 .

It is a cyclic number.

It is not a de Polignac number, because 79224337 - 2⁷ = 79224209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79224296 and 79224305.

It is not an unprimeable number, because it can be changed into a prime (79224331) 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, 12412 + ... + 17677.

It is an arithmetic number, because the mean of its divisors is an integer number (19814265).

Almost surely, 2^79224337 is an apocalyptic number.

It is an amenable number.

79224337 is a deficient number, since it is larger than the sum of its proper divisors (32723).

79224337 is a wasteful number, since it uses less digits than its factorization.

79224337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32722.

The product of its digits is 63504, while the sum is 37.

The square root of 79224337 is about 8900.8054129949. The cubic root of 79224337 is about 429.4898167706.

The spelling of 79224337 in words is "seventy-nine million, two hundred twenty-four thousand, three hundred thirty-seven".