573745 has 4 divisors (see below), whose sum is σ = 688500. Its totient is φ = 458992.

The previous prime is 573739. The next prime is 573757. The reversal of 573745 is 547375.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 173056 + 400689 = 416^2 + 633^2 .

It is a cyclic number.

It is not a de Polignac number, because 573745 - 2³ = 573737 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57370 + ... + 57379.

It is an arithmetic number, because the mean of its divisors is an integer number (172125).

2⁵⁷³⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

573745 is a deficient number, since it is larger than the sum of its proper divisors (114755).

573745 is a wasteful number, since it uses less digits than its factorization.

573745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114754.

The product of its digits is 14700, while the sum is 31.

The square root of 573745 is about 757.4595698782. The cubic root of 573745 is about 83.0946324712.

The spelling of 573745 in words is "five hundred seventy-three thousand, seven hundred forty-five".