683730736 has 60 divisors (see below), whose sum is σ = 1441032768. Its totient is φ = 314126592.

The previous prime is 683730679. The next prime is 683730739. The reversal of 683730736 is 637037386.

It is a super-2 number, since 2×683730736² = 934975438702203392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 683730692 and 683730701.

It is not an unprimeable number, because it can be changed into a prime (683730739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 791841 + ... + 792703.

Almost surely, 2^683730736 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 683730736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (720516384).

683730736 is an abundant number, since it is smaller than the sum of its proper divisors (757302032).

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

683730736 is a wasteful number, since it uses less digits than its factorization.

683730736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 43.

The square root of 683730736 is about 26148.2453713438. The cubic root of 683730736 is about 880.9711798646.

It can be divided in two parts, 6837 and 30736, that added together give a palindrome (37573).

The spelling of 683730736 in words is "six hundred eighty-three million, seven hundred thirty thousand, seven hundred thirty-six".