683575728 has 40 divisors (see below), whose sum is σ = 1926442176. Its totient is φ = 207144000.

The previous prime is 683575721. The next prime is 683575751. The reversal of 683575728 is 827575386.

It is not an unprimeable number, because it can be changed into a prime (683575721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646798 + ... + 647853.

Almost surely, 2^683575728 is an apocalyptic number.

It is an amenable number.

683575728 is an abundant number, since it is smaller than the sum of its proper divisors (1242866448).

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

683575728 is a wasteful number, since it uses less digits than its factorization.

683575728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294673 (or 1294667 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 51.

The square root of 683575728 is about 26145.2811803583. The cubic root of 683575728 is about 880.9046000965.

The spelling of 683575728 in words is "six hundred eighty-three million, five hundred seventy-five thousand, seven hundred twenty-eight".