82710380 has 12 divisors (see below), whose sum is σ = 173691840. Its totient is φ = 33084144.

The previous prime is 82710379. The next prime is 82710391. The reversal of 82710380 is 8301728.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2067740 + ... + 2067779.

It is an arithmetic number, because the mean of its divisors is an integer number (14474320).

Almost surely, 2^82710380 is an apocalyptic number.

It is an amenable number.

82710380 is an abundant number, since it is smaller than the sum of its proper divisors (90981460).

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

82710380 is a wasteful number, since it uses less digits than its factorization.

82710380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4135528 (or 4135526 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 82710380 is about 9094.5247264494. The cubic root of 82710380 is about 435.6991092345.

The spelling of 82710380 in words is "eighty-two million, seven hundred ten thousand, three hundred eighty".