575720 has 32 divisors (see below), whose sum is σ = 1333800. Its totient is φ = 223488.

The previous prime is 575717. The next prime is 575723. The reversal of 575720 is 27575.

It is an interprime number because it is at equal distance from previous prime (575717) and next prime (575723).

It can be written as a sum of positive squares in 4 ways, for example, as 498436 + 77284 = 706^2 + 278^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 575720.

It is not an unprimeable number, because it can be changed into a prime (575723) 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, 1286 + ... + 1674.

2⁵⁷⁵⁷²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 575720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (666900).

575720 is an abundant number, since it is smaller than the sum of its proper divisors (758080).

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

575720 is a wasteful number, since it uses less digits than its factorization.

575720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 26.

The square root of 575720 is about 758.7621498204. The cubic root of 575720 is about 83.1898687121.

The spelling of 575720 in words is "five hundred seventy-five thousand, seven hundred twenty".