683674720 has 96 divisors (see below), whose sum is σ = 1800338400. Its totient is φ = 243818496.

The previous prime is 683674687. The next prime is 683674723. The reversal of 683674720 is 27476386.

It is a happy number.

It is a super-2 number, since 2×683674720² = 934822245534156800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683674723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45066 + ... + 58294.

It is an arithmetic number, because the mean of its divisors is an integer number (18753525).

Almost surely, 2^683674720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 683674720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (900169200).

683674720 is an abundant number, since it is smaller than the sum of its proper divisors (1116663680).

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

683674720 is a wasteful number, since it uses less digits than its factorization.

683674720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13280 (or 13272 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 683674720 is about 26147.1742259082. The cubic root of 683674720 is about 880.9471207691.

The spelling of 683674720 in words is "six hundred eighty-three million, six hundred seventy-four thousand, seven hundred twenty".