564742338 has 8 divisors (see below), whose sum is σ = 1129484688. Its totient is φ = 188247444.

The previous prime is 564742327. The next prime is 564742393. The reversal of 564742338 is 833247465.

It is a sphenic number, since it is the product of 3 distinct primes.

564742338 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 564742338.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47061856 + ... + 47061867.

It is an arithmetic number, because the mean of its divisors is an integer number (141185586).

Almost surely, 2^564742338 is an apocalyptic number.

564742338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

564742338 is a wasteful number, since it uses less digits than its factorization.

564742338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94123728.

The product of its digits is 483840, while the sum is 42.

The square root of 564742338 is about 23764.3080690350. The cubic root of 564742338 is about 826.5772522596.

The spelling of 564742338 in words is "five hundred sixty-four million, seven hundred forty-two thousand, three hundred thirty-eight".