680702961 has 8 divisors (see below), whose sum is σ = 910176480. Its totient is φ = 452515712.

The previous prime is 680702941. The next prime is 680702969. The reversal of 680702961 is 169207086.

680702961 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 680702961 - 2¹³ = 680694769 is a prime.

It is a super-2 number, since 2×680702961² = 926713042228335042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (680702969) 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, 320331 + ... + 322448.

It is an arithmetic number, because the mean of its divisors is an integer number (113772060).

Almost surely, 2^680702961 is an apocalyptic number.

It is an amenable number.

680702961 is a deficient number, since it is larger than the sum of its proper divisors (229473519).

680702961 is a wasteful number, since it uses less digits than its factorization.

680702961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643135.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 680702961 is about 26090.2848010519. The cubic root of 680702961 is about 879.6688496610.

The spelling of 680702961 in words is "six hundred eighty million, seven hundred two thousand, nine hundred sixty-one".