565820370 has 64 divisors (see below), whose sum is σ = 1557550080. Its totient is φ = 146016000.

The previous prime is 565820329. The next prime is 565820389. The reversal of 565820370 is 73028565.

565820370 is a `hidden beast` number, since 5 + 6 + 582 + 0 + 3 + 70 = 666.

565820370 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×565820370² = 640305382213873800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25431 + ... + 42170.

It is an arithmetic number, because the mean of its divisors is an integer number (24336720).

Almost surely, 2^565820370 is an apocalyptic number.

565820370 is an abundant number, since it is smaller than the sum of its proper divisors (991729710).

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

565820370 is a wasteful number, since it uses less digits than its factorization.

565820370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67648 (or 67642 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 565820370 is about 23786.9790011258. The cubic root of 565820370 is about 827.1028667917.

The spelling of 565820370 in words is "five hundred sixty-five million, eight hundred twenty thousand, three hundred seventy".