680684262 has 8 divisors (see below), whose sum is σ = 1361368536. Its totient is φ = 226894752.

The previous prime is 680684237. The next prime is 680684269. The reversal of 680684262 is 262486086.

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

680684262 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680684269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56723683 + ... + 56723694.

It is an arithmetic number, because the mean of its divisors is an integer number (170171067).

Almost surely, 2^680684262 is an apocalyptic number.

680684262 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

680684262 is a wasteful number, since it uses less digits than its factorization.

680684262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113447382.

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 680684262 is about 26089.9264468108. The cubic root of 680684262 is about 879.6607947142.

The spelling of 680684262 in words is "six hundred eighty million, six hundred eighty-four thousand, two hundred sixty-two".