82731268 has 12 divisors (see below), whose sum is σ = 145539072. Its totient is φ = 41148680.

The previous prime is 82731247. The next prime is 82731331. The reversal of 82731268 is 86213728.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53380 + ... + 54907.

It is an arithmetic number, because the mean of its divisors is an integer number (12128256).

Almost surely, 2^82731268 is an apocalyptic number.

It is an amenable number.

82731268 is a deficient number, since it is larger than the sum of its proper divisors (62807804).

82731268 is a wasteful number, since it uses less digits than its factorization.

82731268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108482 (or 108480 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 82731268 is about 9095.6730372194. The cubic root of 82731268 is about 435.7357838614.

The spelling of 82731268 in words is "eighty-two million, seven hundred thirty-one thousand, two hundred sixty-eight".