680734008 has 24 divisors (see below), whose sum is σ = 1843654800. Its totient is φ = 226911312.

The previous prime is 680734001. The next prime is 680734027. The reversal of 680734008 is 800437086.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680734001) 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 5 ways as a sum of consecutive naturals, for example, 4727248 + ... + 4727391.

It is an arithmetic number, because the mean of its divisors is an integer number (76818950).

Almost surely, 2^680734008 is an apocalyptic number.

It is an amenable number.

680734008 is an abundant number, since it is smaller than the sum of its proper divisors (1162920792).

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

680734008 is a wasteful number, since it uses less digits than its factorization.

680734008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9454651 (or 9454644 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 680734008 is about 26090.8797858562. The cubic root of 680734008 is about 879.6822234159.

The spelling of 680734008 in words is "six hundred eighty million, seven hundred thirty-four thousand, eight".