573730 has 8 divisors (see below), whose sum is σ = 1032732. Its totient is φ = 229488.

The previous prime is 573719. The next prime is 573737. The reversal of 573730 is 37375.

It can be written as a sum of positive squares in 2 ways, for example, as 549081 + 24649 = 741^2 + 157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×573730² = 658332225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 573695 and 573704.

It is not an unprimeable number, because it can be changed into a prime (573737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28677 + ... + 28696.

2⁵⁷³⁷³⁰ is an apocalyptic number.

573730 is a deficient number, since it is larger than the sum of its proper divisors (459002).

573730 is a wasteful number, since it uses less digits than its factorization.

573730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57380.

The product of its (nonzero) digits is 2205, while the sum is 25.

The square root of 573730 is about 757.4496682949. The cubic root of 573730 is about 83.0939083223.

The spelling of 573730 in words is "five hundred seventy-three thousand, seven hundred thirty".