680930975 has 6 divisors (see below), whose sum is σ = 844354440. Its totient is φ = 544744760.

The previous prime is 680930959. The next prime is 680931001. The reversal of 680930975 is 579039086.

It is not a de Polignac number, because 680930975 - 2⁴ = 680930959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13618595 + ... + 13618644.

It is an arithmetic number, because the mean of its divisors is an integer number (140725740).

Almost surely, 2^680930975 is an apocalyptic number.

680930975 is a deficient number, since it is larger than the sum of its proper divisors (163423465).

680930975 is a wasteful number, since it uses less digits than its factorization.

680930975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27237249 (or 27237244 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 680930975 is about 26094.6541460124. The cubic root of 680930975 is about 879.7670591264.

The spelling of 680930975 in words is "six hundred eighty million, nine hundred thirty thousand, nine hundred seventy-five".