79952173 has 24 divisors (see below), whose sum is σ = 100921464. Its totient is φ = 62899200.

The previous prime is 79952149. The next prime is 79952183. The reversal of 79952173 is 37125997.

It can be written as a sum of positive squares in 4 ways, for example, as 8684809 + 71267364 = 2947^2 + 8442^2 .

It is not a de Polignac number, because 79952173 - 2⁵ = 79952141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79952113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32983 + ... + 35323.

It is an arithmetic number, because the mean of its divisors is an integer number (4205061).

Almost surely, 2^79952173 is an apocalyptic number.

It is an amenable number.

79952173 is a deficient number, since it is larger than the sum of its proper divisors (20969291).

79952173 is a wasteful number, since it uses less digits than its factorization.

79952173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413 (or 2406 counting only the distinct ones).

The product of its digits is 119070, while the sum is 43.

The square root of 79952173 is about 8941.5978997045. The cubic root of 79952173 is about 430.8010540993.

The spelling of 79952173 in words is "seventy-nine million, nine hundred fifty-two thousand, one hundred seventy-three".