82328172 has 12 divisors (see below), whose sum is σ = 192099096. Its totient is φ = 27442720.

The previous prime is 82328167. The next prime is 82328173. The reversal of 82328172 is 27182328.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×82328172³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (82328173) 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, 3430329 + ... + 3430352.

It is an arithmetic number, because the mean of its divisors is an integer number (16008258).

Almost surely, 2^82328172 is an apocalyptic number.

It is an amenable number.

82328172 is an abundant number, since it is smaller than the sum of its proper divisors (109770924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82328172 is a wasteful number, since it uses less digits than its factorization.

82328172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6860688 (or 6860686 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 82328172 is about 9073.4873119435. The cubic root of 82328172 is about 435.0269450874.

The spelling of 82328172 in words is "eighty-two million, three hundred twenty-eight thousand, one hundred seventy-two".