82705976 has 24 divisors (see below), whose sum is σ = 162117480. Its totient is φ = 39553008.

The previous prime is 82705967. The next prime is 82706021. The reversal of 82705976 is 67950728.

It is a super-2 number, since 2×82705976² = 13680556932225152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5540 + ... + 14003.

It is an arithmetic number, because the mean of its divisors is an integer number (6754895).

Almost surely, 2^82705976 is an apocalyptic number.

It is an amenable number.

82705976 is a deficient number, since it is larger than the sum of its proper divisors (79411504).

82705976 is a wasteful number, since it uses less digits than its factorization.

82705976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19595 (or 19568 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 82705976 is about 9094.2825995237. The cubic root of 82705976 is about 435.6913760135.

The spelling of 82705976 in words is "eighty-two million, seven hundred five thousand, nine hundred seventy-six".