564517734 has 64 divisors (see below), whose sum is σ = 1273148928. Its totient is φ = 165401600.

The previous prime is 564517711. The next prime is 564517753. The reversal of 564517734 is 437715465.

It is a happy number.

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, 247222 + ... + 249494.

It is an arithmetic number, because the mean of its divisors is an integer number (19892952).

Almost surely, 2^564517734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 564517734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636574464).

564517734 is an abundant number, since it is smaller than the sum of its proper divisors (708631194).

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

564517734 is a wasteful number, since it uses less digits than its factorization.

564517734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413.

The product of its digits is 352800, while the sum is 42.

The square root of 564517734 is about 23759.5819407666. The cubic root of 564517734 is about 826.4676582247.

The spelling of 564517734 in words is "five hundred sixty-four million, five hundred seventeen thousand, seven hundred thirty-four".