680667714 has 24 divisors (see below), whose sum is σ = 1479824892. Its totient is φ = 226113120.

The previous prime is 680667679. The next prime is 680667737. The reversal of 680667714 is 417766086.

It can be written as a sum of positive squares in 2 ways, for example, as 556724025 + 123943689 = 23595^2 + 11133^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 680667714.

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, 59257 + ... + 69804.

Almost surely, 2^680667714 is an apocalyptic number.

680667714 is an abundant number, since it is smaller than the sum of its proper divisors (799157178).

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

680667714 is a wasteful number, since it uses less digits than its factorization.

680667714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129362 (or 129359 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 680667714 is about 26089.6093109882. The cubic root of 680667714 is about 879.6536662282.

The spelling of 680667714 in words is "six hundred eighty million, six hundred sixty-seven thousand, seven hundred fourteen".