565470720 has 320 divisors, whose sum is σ = 2053529280. Its totient is φ = 149299200.

The previous prime is 565470713. The next prime is 565470743. The reversal of 565470720 is 27074565.

565470720 is a `hidden beast` number, since 565 + 4 + 70 + 7 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5598670 + ... + 5598770.

It is an arithmetic number, because the mean of its divisors is an integer number (6417279).

Almost surely, 2^565470720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565470720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1026764640).

565470720 is an abundant number, since it is smaller than the sum of its proper divisors (1488058560).

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

565470720 is an frugal number, since it uses more digits than its factorization.

565470720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 565470720 is about 23779.6282561355. The cubic root of 565470720 is about 826.9324616461.

The spelling of 565470720 in words is "five hundred sixty-five million, four hundred seventy thousand, seven hundred twenty".