563456736 has 72 divisors (see below), whose sum is σ = 1661698584. Its totient is φ = 187816320.

The previous prime is 563456731. The next prime is 563456741. The reversal of 563456736 is 637654365.

563456736 is a `hidden beast` number, since 5 + 634 + 5 + 6 + 7 + 3 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (563456731) and next prime (563456741).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 563456691 and 563456700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563456731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28455 + ... + 44006.

It is an arithmetic number, because the mean of its divisors is an integer number (23079147).

Almost surely, 2^563456736 is an apocalyptic number.

It is an amenable number.

563456736 is an abundant number, since it is smaller than the sum of its proper divisors (1098241848).

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

563456736 is an equidigital number, since it uses as much as digits as its factorization.

563456736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72486 (or 72466 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 45.

The square root of 563456736 is about 23737.2436479049. The cubic root of 563456736 is about 825.9495578989.

The spelling of 563456736 in words is "five hundred sixty-three million, four hundred fifty-six thousand, seven hundred thirty-six".