680746808 has 24 divisors (see below), whose sum is σ = 1484793000. Its totient is φ = 291748464.

The previous prime is 680746799. The next prime is 680746811. The reversal of 680746808 is 808647086.

It is a happy number.

680746808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 867908 + ... + 868691.

It is an arithmetic number, because the mean of its divisors is an integer number (61866375).

Almost surely, 2^680746808 is an apocalyptic number.

It is an amenable number.

680746808 is an abundant number, since it is smaller than the sum of its proper divisors (804046192).

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

680746808 is a wasteful number, since it uses less digits than its factorization.

680746808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736619 (or 1736608 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 680746808 is about 26091.1250811459. The cubic root of 680746808 is about 879.6877370045.

The spelling of 680746808 in words is "six hundred eighty million, seven hundred forty-six thousand, eight hundred eight".