324727668 has 36 divisors (see below), whose sum is σ = 821647008. Its totient is φ = 108136080.

The previous prime is 324727649. The next prime is 324727679. The reversal of 324727668 is 866727423.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38305 + ... + 46007.

It is an arithmetic number, because the mean of its divisors is an integer number (22823528).

Almost surely, 2^324727668 is an apocalyptic number.

It is an amenable number.

324727668 is an abundant number, since it is smaller than the sum of its proper divisors (496919340).

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

324727668 is a wasteful number, since it uses less digits than its factorization.

324727668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8884 (or 8879 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 324727668 is about 18020.2016636885. The cubic root of 324727668 is about 687.3423412807.

The spelling of 324727668 in words is "three hundred twenty-four million, seven hundred twenty-seven thousand, six hundred sixty-eight".