682520 has 32 divisors (see below), whose sum is σ = 1559520. Its totient is φ = 268800.

The previous prime is 682519. The next prime is 682531. The reversal of 682520 is 25286.

682520 = T₉ + T₁₀ + ... + T₁₅₉.

It is a happy number.

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4445 + ... + 4595.

It is an arithmetic number, because the mean of its divisors is an integer number (48735).

2⁶⁸²⁵²⁰ is an apocalyptic number.

It is an amenable number.

682520 is an abundant number, since it is smaller than the sum of its proper divisors (877000).

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

682520 is a wasteful number, since it uses less digits than its factorization.

682520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 682520 is about 826.1476865549. The cubic root of 682520 is about 88.0450870884.

The spelling of 682520 in words is "six hundred eighty-two thousand, five hundred twenty".