680565292 has 12 divisors (see below), whose sum is σ = 1299261096. Its totient is φ = 309347840.

The previous prime is 680565287. The next prime is 680565299. The reversal of 680565292 is 292565086.

It is not an unprimeable number, because it can be changed into a prime (680565299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7733653 + ... + 7733740.

It is an arithmetic number, because the mean of its divisors is an integer number (108271758).

Almost surely, 2^680565292 is an apocalyptic number.

It is an amenable number.

680565292 is a deficient number, since it is larger than the sum of its proper divisors (618695804).

680565292 is a wasteful number, since it uses less digits than its factorization.

680565292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15467408 (or 15467406 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 680565292 is about 26087.6463484156. The cubic root of 680565292 is about 879.6095426882.

The spelling of 680565292 in words is "six hundred eighty million, five hundred sixty-five thousand, two hundred ninety-two".