82706668 has 24 divisors (see below), whose sum is σ = 159042240. Its totient is φ = 37320720.

The previous prime is 82706647. The next prime is 82706669. The reversal of 82706668 is 86660728.

It is not an unprimeable number, because it can be changed into a prime (82706669) 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, 646 + ... + 12877.

It is an arithmetic number, because the mean of its divisors is an integer number (6626760).

Almost surely, 2^82706668 is an apocalyptic number.

It is an amenable number.

82706668 is a deficient number, since it is larger than the sum of its proper divisors (76335572).

82706668 is a wasteful number, since it uses less digits than its factorization.

82706668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13677 (or 13675 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 82706668 is about 9094.3206453259. The cubic root of 82706668 is about 435.6925911518.

The spelling of 82706668 in words is "eighty-two million, seven hundred six thousand, six hundred sixty-eight".