682320 has 40 divisors (see below), whose sum is σ = 2115936. Its totient is φ = 181888.

The previous prime is 682307. The next prime is 682321. The reversal of 682320 is 23286.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682321) by changing a digit.

682320 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1182 + ... + 1661.

2⁶⁸²³²⁰ is an apocalyptic number.

682320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

682320 is an abundant number, since it is smaller than the sum of its proper divisors (1433616).

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

682320 is a wasteful number, since it uses less digits than its factorization.

682320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859 (or 2853 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 682320 is about 826.0266339532. The cubic root of 682320 is about 88.0364862475.

The spelling of 682320 in words is "six hundred eighty-two thousand, three hundred twenty".