82728364 has 12 divisors (see below), whose sum is σ = 146180944. Its totient is φ = 40962384.

The previous prime is 82728361. The next prime is 82728391. The reversal of 82728364 is 46382728.

It is not an unprimeable number, because it can be changed into a prime (82728361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99987 + ... + 100810.

Almost surely, 2^82728364 is an apocalyptic number.

It is an amenable number.

82728364 is a deficient number, since it is larger than the sum of its proper divisors (63452580).

82728364 is a wasteful number, since it uses less digits than its factorization.

82728364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200904 (or 200902 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 82728364 is about 9095.5133994734. The cubic root of 82728364 is about 435.7306854605.

The spelling of 82728364 in words is "eighty-two million, seven hundred twenty-eight thousand, three hundred sixty-four".