680518752 has 24 divisors (see below), whose sum is σ = 1786361976. Its totient is φ = 226839552.

The previous prime is 680518739. The next prime is 680518771. The reversal of 680518752 is 257815086.

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

It is a congruent number.

It is an unprimeable number.

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, 3544273 + ... + 3544464.

It is an arithmetic number, because the mean of its divisors is an integer number (74431749).

Almost surely, 2^680518752 is an apocalyptic number.

It is an amenable number.

680518752 is an abundant number, since it is smaller than the sum of its proper divisors (1105843224).

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

680518752 is a wasteful number, since it uses less digits than its factorization.

680518752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7088750 (or 7088742 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 680518752 is about 26086.7543400861. The cubic root of 680518752 is about 879.5894917287.

The spelling of 680518752 in words is "six hundred eighty million, five hundred eighteen thousand, seven hundred fifty-two".