564780 has 24 divisors (see below), whose sum is σ = 1581552. Its totient is φ = 150592.

The previous prime is 564779. The next prime is 564793. The reversal of 564780 is 87465.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4647 + ... + 4766.

It is an arithmetic number, because the mean of its divisors is an integer number (65898).

2⁵⁶⁴⁷⁸⁰ is an apocalyptic number.

It is an amenable number.

564780 is an abundant number, since it is smaller than the sum of its proper divisors (1016772).

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

564780 is a wasteful number, since it uses less digits than its factorization.

564780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9425 (or 9423 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 564780 is about 751.5184628471. The cubic root of 564780 is about 82.6595626338.

The spelling of 564780 in words is "five hundred sixty-four thousand, seven hundred eighty".