682744 has 16 divisors (see below), whose sum is σ = 1321920. Its totient is φ = 330240.

The previous prime is 682739. The next prime is 682751. The reversal of 682744 is 447286.

It is a super-2 number, since 2×682744² = 932278739072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable 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, 1129 + ... + 1624.

It is an arithmetic number, because the mean of its divisors is an integer number (82620).

2⁶⁸²⁷⁴⁴ is an apocalyptic number.

It is an amenable number.

682744 is a deficient number, since it is larger than the sum of its proper divisors (639176).

682744 is a wasteful number, since it uses less digits than its factorization.

682744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790 (or 2786 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 682744 is about 826.2832444144. The cubic root of 682744 is about 88.0547180356.

The spelling of 682744 in words is "six hundred eighty-two thousand, seven hundred forty-four".