82690764 has 48 divisors (see below), whose sum is σ = 214502400. Its totient is φ = 24621120.

The previous prime is 82690747. The next prime is 82690781. The reversal of 82690764 is 46709628.

It is an interprime number because it is at equal distance from previous prime (82690747) and next prime (82690781).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3714 + ... + 13385.

It is an arithmetic number, because the mean of its divisors is an integer number (4468800).

Almost surely, 2^82690764 is an apocalyptic number.

It is an amenable number.

82690764 is an abundant number, since it is smaller than the sum of its proper divisors (131811636).

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

82690764 is a wasteful number, since it uses less digits than its factorization.

82690764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17150 (or 17148 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 82690764 is about 9093.4462114206. The cubic root of 82690764 is about 435.6646623309.

The spelling of 82690764 in words is "eighty-two million, six hundred ninety thousand, seven hundred sixty-four".