575666 has 16 divisors (see below), whose sum is σ = 1063104. Its totient is φ = 227664.

The previous prime is 575651. The next prime is 575669. The reversal of 575666 is 666575.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (575669) 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, 1400 + ... + 1763.

It is an arithmetic number, because the mean of its divisors is an integer number (66444).

2⁵⁷⁵⁶⁶⁶ is an apocalyptic number.

575666 is a deficient number, since it is larger than the sum of its proper divisors (487438).

575666 is a wasteful number, since it uses less digits than its factorization.

575666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3185.

The product of its digits is 37800, while the sum is 35.

The square root of 575666 is about 758.7265647122. The cubic root of 575666 is about 83.1872676830.

Subtracting 575666 from its reverse (666575), we obtain a palindrome (90909).

The spelling of 575666 in words is "five hundred seventy-five thousand, six hundred sixty-six".