682716 has 12 divisors (see below), whose sum is σ = 1593032. Its totient is φ = 227568.

The previous prime is 682699. The next prime is 682723. The reversal of 682716 is 617286.

It is a happy number.

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

It is a super-2 number, since 2×682716² = 932202273312, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

682716 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28435 + ... + 28458.

2⁶⁸²⁷¹⁶ is an apocalyptic number.

It is an amenable number.

682716 is an abundant number, since it is smaller than the sum of its proper divisors (910316).

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

682716 is a wasteful number, since it uses less digits than its factorization.

682716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56900 (or 56898 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 682716 is about 826.2663008982. The cubic root of 682716 is about 88.0535142824.

The spelling of 682716 in words is "six hundred eighty-two thousand, seven hundred sixteen".