683757730560 has 144 divisors (see below), whose sum is σ = 2184089824224. Its totient is φ = 182307127296.

The previous prime is 683757730547. The next prime is 683757730561. The reversal of 683757730560 is 65037757386.

It is a self number, because there is not a number n which added to its sum of digits gives 683757730560.

It is not an unprimeable number, because it can be changed into a prime (683757730561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39439654 + ... + 39456986.

It is an arithmetic number, because the mean of its divisors is an integer number (15167290446).

Almost surely, 2^683757730560 is an apocalyptic number.

683757730560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 683757730560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1092044912112).

683757730560 is an abundant number, since it is smaller than the sum of its proper divisors (1500332093664).

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

683757730560 is a wasteful number, since it uses less digits than its factorization.

683757730560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27630 (or 27616 counting only the distinct ones).

The product of its (nonzero) digits is 22226400, while the sum is 57.

The spelling of 683757730560 in words is "six hundred eighty-three billion, seven hundred fifty-seven million, seven hundred thirty thousand, five hundred sixty".