507664474 has 8 divisors (see below), whose sum is σ = 763679700. Its totient is φ = 253104576.

The previous prime is 507664453. The next prime is 507664483. The reversal of 507664474 is 474466705.

It can be written as a sum of positive squares in 2 ways, for example, as 481583025 + 26081449 = 21945^2 + 5107^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 507664474.

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 3 ways as a sum of consecutive naturals, for example, 362959 + ... + 364354.

Almost surely, 2^507664474 is an apocalyptic number.

507664474 is a deficient number, since it is larger than the sum of its proper divisors (256015226).

507664474 is a wasteful number, since it uses less digits than its factorization.

507664474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727664.

The product of its (nonzero) digits is 564480, while the sum is 43.

The square root of 507664474 is about 22531.4108302166. The cubic root of 507664474 is about 797.7355096942.

The spelling of 507664474 in words is "five hundred seven million, six hundred sixty-four thousand, four hundred seventy-four".