565782 has 32 divisors (see below), whose sum is σ = 1363200. Its totient is φ = 152928.

The previous prime is 565771. The next prime is 565787. The reversal of 565782 is 287565.

It is a happy number.

It is a super-3 number, since 3×565782³ = 543336191584175304, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565787) by changing a digit.

565782 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444 + ... + 1152.

It is an arithmetic number, because the mean of its divisors is an integer number (42600).

2⁵⁶⁵⁷⁸² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681600).

565782 is an abundant number, since it is smaller than the sum of its proper divisors (797418).

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

565782 is a wasteful number, since it uses less digits than its factorization.

565782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740.

The product of its digits is 16800, while the sum is 33.

The square root of 565782 is about 752.1848177144. The cubic root of 565782 is about 82.7084170249.

The spelling of 565782 in words is "five hundred sixty-five thousand, seven hundred eighty-two".