65682680 has 64 divisors (see below), whose sum is σ = 174744000. Its totient is φ = 21740544.

The previous prime is 65682667. The next prime is 65682703. The reversal of 65682680 is 8628656.

It is a congruent number.

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, 4076 + ... + 12164.

It is an arithmetic number, because the mean of its divisors is an integer number (2730375).

Almost surely, 2^65682680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65682680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87372000).

65682680 is an abundant number, since it is smaller than the sum of its proper divisors (109061320).

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

65682680 is a wasteful number, since it uses less digits than its factorization.

65682680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8136 (or 8132 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 65682680 is about 8104.4851779740. The cubic root of 65682680 is about 403.4753015853.

The spelling of 65682680 in words is "sixty-five million, six hundred eighty-two thousand, six hundred eighty".