564729 has 16 divisors (see below), whose sum is σ = 834240. Its totient is φ = 336960.

The previous prime is 564713. The next prime is 564761. The reversal of 564729 is 927465.

It is not a de Polignac number, because 564729 - 2⁴ = 564713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a d-powerful number, because it can be written as 5³ + 6² + 7³ + 4² + 2¹⁵ + 9⁶ .

Its product of digits (15120) is a multiple of the sum of its prime divisors (280).

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 564729.

It is not an unprimeable number, because it can be changed into a prime (564709) 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, 3519 + ... + 3675.

It is an arithmetic number, because the mean of its divisors is an integer number (52140).

2⁵⁶⁴⁷²⁹ is an apocalyptic number.

It is an amenable number.

564729 is a deficient number, since it is larger than the sum of its proper divisors (269511).

564729 is a wasteful number, since it uses less digits than its factorization.

564729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280.

The product of its digits is 15120, while the sum is 33.

The square root of 564729 is about 751.4845307789. The cubic root of 564729 is about 82.6570744882.

The spelling of 564729 in words is "five hundred sixty-four thousand, seven hundred twenty-nine".