82706766 has 24 divisors (see below), whose sum is σ = 170021880. Its totient is φ = 26821152.

The previous prime is 82706749. The next prime is 82706773. The reversal of 82706766 is 66760728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3180 + ... + 13248.

It is an arithmetic number, because the mean of its divisors is an integer number (7084245).

Almost surely, 2^82706766 is an apocalyptic number.

82706766 is an abundant number, since it is smaller than the sum of its proper divisors (87315114).

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

82706766 is a wasteful number, since it uses less digits than its factorization.

82706766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10148 (or 10111 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 82706766 is about 9094.3260333023. The cubic root of 82706766 is about 435.6927632373.

The spelling of 82706766 in words is "eighty-two million, seven hundred six thousand, seven hundred sixty-six".