680532 has 12 divisors (see below), whose sum is σ = 1587936. Its totient is φ = 226840.

The previous prime is 680531. The next prime is 680539. The reversal of 680532 is 235086.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680531) 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, 28344 + ... + 28367.

It is an arithmetic number, because the mean of its divisors is an integer number (132328).

2⁶⁸⁰⁵³² is an apocalyptic number.

It is an amenable number.

680532 is an abundant number, since it is smaller than the sum of its proper divisors (907404).

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

680532 is a wasteful number, since it uses less digits than its factorization.

680532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56718 (or 56716 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 680532 is about 824.9436344381. The cubic root of 680532 is about 87.9595199495.

The spelling of 680532 in words is "six hundred eighty thousand, five hundred thirty-two".