564127994 has 8 divisors (see below), whose sum is σ = 846295668. Its totient is φ = 282029440.

The previous prime is 564127973. The next prime is 564128021. The reversal of 564127994 is 499721465.

It can be written as a sum of positive squares in 2 ways, for example, as 511347769 + 52780225 = 22613^2 + 7265^2 .

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

It is a super-2 number, since 2×564127994² = 636480787228928072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15764 + ... + 37104.

Almost surely, 2^564127994 is an apocalyptic number.

564127994 is a deficient number, since it is larger than the sum of its proper divisors (282167674).

564127994 is a wasteful number, since it uses less digits than its factorization.

564127994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34560.

The product of its digits is 544320, while the sum is 47.

The square root of 564127994 is about 23751.3787810308. The cubic root of 564127994 is about 826.2774181659.

The spelling of 564127994 in words is "five hundred sixty-four million, one hundred twenty-seven thousand, nine hundred ninety-four".