680355694 has 8 divisors (see below), whose sum is σ = 1032000480. Its totient is φ = 336355536.

The previous prime is 680355673. The next prime is 680355701. The reversal of 680355694 is 496553086.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1910934 + ... + 1911289.

It is an arithmetic number, because the mean of its divisors is an integer number (129000060).

Almost surely, 2^680355694 is an apocalyptic number.

680355694 is a deficient number, since it is larger than the sum of its proper divisors (351644786).

680355694 is a wasteful number, since it uses less digits than its factorization.

680355694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822314.

The product of its (nonzero) digits is 777600, while the sum is 46.

The square root of 680355694 is about 26083.6288502961. The cubic root of 680355694 is about 879.5192337774.

The spelling of 680355694 in words is "six hundred eighty million, three hundred fifty-five thousand, six hundred ninety-four".