573729 has 16 divisors (see below), whose sum is σ = 844032. Its totient is φ = 344448.

The previous prime is 573719. The next prime is 573737. The reversal of 573729 is 927375.

It is not a de Polignac number, because 573729 - 2⁸ = 573473 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 573729.

It is not an unprimeable number, because it can be changed into a prime (573719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1677 + ... + 1989.

It is an arithmetic number, because the mean of its divisors is an integer number (52752).

2⁵⁷³⁷²⁹ is an apocalyptic number.

It is an amenable number.

573729 is a deficient number, since it is larger than the sum of its proper divisors (270303).

573729 is a wasteful number, since it uses less digits than its factorization.

573729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376.

The product of its digits is 13230, while the sum is 33.

The square root of 573729 is about 757.4490081847. The cubic root of 573729 is about 83.0938600453.

The spelling of 573729 in words is "five hundred seventy-three thousand, seven hundred twenty-nine".