6664327 has 4 divisors (see below), whose sum is σ = 6678720. Its totient is φ = 6649936.

The previous prime is 6664321. The next prime is 6664351. The reversal of 6664327 is 7234666.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6664327 - 2⁷ = 6664199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6664292 and 6664301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6664321) by changing a digit.

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, 6478 + ... + 7435.

It is an arithmetic number, because the mean of its divisors is an integer number (1669680).

Almost surely, 2^6664327 is an apocalyptic number.

6664327 is a deficient number, since it is larger than the sum of its proper divisors (14393).

6664327 is a wasteful number, since it uses less digits than its factorization.

6664327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14392.

The product of its digits is 36288, while the sum is 34.

The square root of 6664327 is about 2581.5357832112. The cubic root of 6664327 is about 188.1851860938.

The spelling of 6664327 in words is "six million, six hundred sixty-four thousand, three hundred twenty-seven".