82913173 has 8 divisors (see below), whose sum is σ = 94824320. Its totient is φ = 71018640.

The previous prime is 82913167. The next prime is 82913177. The reversal of 82913173 is 37131928.

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

It is not a de Polignac number, because 82913173 - 2⁵ = 82913141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82913177) 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, 9583 + ... + 16051.

It is an arithmetic number, because the mean of its divisors is an integer number (11853040).

Almost surely, 2^82913173 is an apocalyptic number.

It is an amenable number.

82913173 is a deficient number, since it is larger than the sum of its proper divisors (11911147).

82913173 is a wasteful number, since it uses less digits than its factorization.

82913173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8307.

The product of its digits is 9072, while the sum is 34.

The square root of 82913173 is about 9105.6670815487. The cubic root of 82913173 is about 436.0549074440.

The spelling of 82913173 in words is "eighty-two million, nine hundred thirteen thousand, one hundred seventy-three".