680368774 has 8 divisors (see below), whose sum is σ = 1020977568. Its totient is φ = 340042920.

The previous prime is 680368771. The next prime is 680368783. The reversal of 680368774 is 477863086.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680368771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64617 + ... + 74404.

It is an arithmetic number, because the mean of its divisors is an integer number (127622196).

Almost surely, 2^680368774 is an apocalyptic number.

680368774 is a deficient number, since it is larger than the sum of its proper divisors (340608794).

680368774 is a wasteful number, since it uses less digits than its factorization.

680368774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141470.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The square root of 680368774 is about 26083.8795810746. The cubic root of 680368774 is about 879.5248700634.

The spelling of 680368774 in words is "six hundred eighty million, three hundred sixty-eight thousand, seven hundred seventy-four".