573728 has 12 divisors (see below), whose sum is σ = 1129590. Its totient is φ = 286848.

The previous prime is 573719. The next prime is 573737. The reversal of 573728 is 827375.

It is an interprime number because it is at equal distance from previous prime (573719) and next prime (573737).

It can be written as a sum of positive squares in only one way, i.e., 478864 + 94864 = 692^2 + 308^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 17929 = 573728 / (5 + 7 + 3 + 7 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 573694 and 573703.

It is an unprimeable number.

573728 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8933 + ... + 8996.

2⁵⁷³⁷²⁸ is an apocalyptic number.

It is an amenable number.

573728 is a deficient number, since it is larger than the sum of its proper divisors (555862).

573728 is a wasteful number, since it uses less digits than its factorization.

573728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17939 (or 17931 counting only the distinct ones).

The product of its digits is 11760, while the sum is 32.

The square root of 573728 is about 757.4483480740. The cubic root of 573728 is about 83.0938117682.

The spelling of 573728 in words is "five hundred seventy-three thousand, seven hundred twenty-eight".