563904720 has 160 divisors (see below), whose sum is σ = 1970231040. Its totient is φ = 148216320.

The previous prime is 563904707. The next prime is 563904727. The reversal of 563904720 is 27409365.

563904720 is a `hidden beast` number, since 563 + 90 + 4 + 7 + 2 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563904727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151522 + ... + 155198.

It is an arithmetic number, because the mean of its divisors is an integer number (12313944).

Almost surely, 2^563904720 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 563904720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (985115520).

563904720 is an abundant number, since it is smaller than the sum of its proper divisors (1406326320).

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

563904720 is a wasteful number, since it uses less digits than its factorization.

563904720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770 (or 3758 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 563904720 is about 23746.6780834710. The cubic root of 563904720 is about 826.1683940847.

The spelling of 563904720 in words is "five hundred sixty-three million, nine hundred four thousand, seven hundred twenty".