680691701 has 8 divisors (see below), whose sum is σ = 735883680. Its totient is φ = 627436368.

The previous prime is 680691691. The next prime is 680691703. The reversal of 680691701 is 107196086.

680691701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 680691701 - 2⁶ = 680691637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680691703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483431 + ... + 484836.

It is an arithmetic number, because the mean of its divisors is an integer number (91985460).

Almost surely, 2^680691701 is an apocalyptic number.

It is an amenable number.

680691701 is a deficient number, since it is larger than the sum of its proper divisors (55191979).

680691701 is a wasteful number, since it uses less digits than its factorization.

680691701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968323.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 680691701 is about 26090.0690110241. The cubic root of 680691701 is about 879.6639992214.

The spelling of 680691701 in words is "six hundred eighty million, six hundred ninety-one thousand, seven hundred one".