680750 has 32 divisors (see below), whose sum is σ = 1460160. Its totient is φ = 232800.

The previous prime is 680749. The next prime is 680759. The reversal of 680750 is 57086.

680750 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 not an unprimeable number, because it can be changed into a prime (680759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1556 + ... + 1944.

It is an arithmetic number, because the mean of its divisors is an integer number (45630).

2⁶⁸⁰⁷⁵⁰ is an apocalyptic number.

680750 is an abundant number, since it is smaller than the sum of its proper divisors (779410).

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

680750 is a wasteful number, since it uses less digits than its factorization.

680750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 680750 is about 825.0757540978. The cubic root of 680750 is about 87.9689111945.

The spelling of 680750 in words is "six hundred eighty thousand, seven hundred fifty".