573669 has 8 divisors (see below), whose sum is σ = 849920. Its totient is φ = 382428.

The previous prime is 573647. The next prime is 573673. The reversal of 573669 is 966375.

It is a happy number.

It is not a de Polignac number, because 573669 - 2⁵ = 573637 is a prime.

It is a super-2 number, since 2×573669² = 658192243122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (573679) 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, 10597 + ... + 10650.

It is an arithmetic number, because the mean of its divisors is an integer number (106240).

2⁵⁷³⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

573669 is a deficient number, since it is larger than the sum of its proper divisors (276251).

573669 is a wasteful number, since it uses less digits than its factorization.

573669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21256 (or 21250 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 573669 is about 757.4094005226. The cubic root of 573669 is about 83.0909633203.

It can be divided in two parts, 57366 and 9, that added together give a palindrome (57375).

The spelling of 573669 in words is "five hundred seventy-three thousand, six hundred sixty-nine".