682638704 has 20 divisors (see below), whose sum is σ = 1442850360. Its totient is φ = 310290240.

The previous prime is 682638667. The next prime is 682638751. The reversal of 682638704 is 407836286.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1939139 + ... + 1939490.

It is an arithmetic number, because the mean of its divisors is an integer number (72142518).

Almost surely, 2^682638704 is an apocalyptic number.

It is an amenable number.

682638704 is an abundant number, since it is smaller than the sum of its proper divisors (760211656).

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

682638704 is a wasteful number, since it uses less digits than its factorization.

682638704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878648 (or 3878642 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 682638704 is about 26127.3554727607. The cubic root of 682638704 is about 880.5019106490.

It can be divided in two parts, 68263 and 8704, that added together give a palindrome (76967).

The spelling of 682638704 in words is "six hundred eighty-two million, six hundred thirty-eight thousand, seven hundred four".