82728308 has 24 divisors (see below), whose sum is σ = 157151232. Its totient is φ = 37878624.

The previous prime is 82728301. The next prime is 82728313. The reversal of 82728308 is 80382728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82728301) 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, 341 + ... + 12867.

It is an arithmetic number, because the mean of its divisors is an integer number (6547968).

Almost surely, 2^82728308 is an apocalyptic number.

It is an amenable number.

82728308 is a deficient number, since it is larger than the sum of its proper divisors (74422924).

82728308 is a wasteful number, since it uses less digits than its factorization.

82728308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12671 (or 12669 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 82728308 is about 9095.5103210320. The cubic root of 82728308 is about 435.7305871430.

The spelling of 82728308 in words is "eighty-two million, seven hundred twenty-eight thousand, three hundred eight".