504727668 has 18 divisors (see below), whose sum is σ = 1275839474. Its totient is φ = 168242544.

The previous prime is 504727651. The next prime is 504727703. The reversal of 504727668 is 866727405.

504727668 is a `hidden beast` number, since 50 + 472 + 76 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 345513744 + 159213924 = 18588^2 + 12618^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 7010071 + ... + 7010142.

Almost surely, 2^504727668 is an apocalyptic number.

It is an amenable number.

504727668 is an abundant number, since it is smaller than the sum of its proper divisors (771111806).

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

504727668 is a wasteful number, since it uses less digits than its factorization.

504727668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14020223 (or 14020218 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 504727668 is about 22466.1449296491. The cubic root of 504727668 is about 796.1942511369.

The spelling of 504727668 in words is "five hundred four million, seven hundred twenty-seven thousand, six hundred sixty-eight".