6668324 has 12 divisors (see below), whose sum is σ = 12567324. Its totient is φ = 3077664.

The previous prime is 6668273. The next prime is 6668341. The reversal of 6668324 is 4238666.

It can be written as a sum of positive squares in 2 ways, for example, as 1060900 + 5607424 = 1030^2 + 2368^2 .

It is a congruent number.

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, 64067 + ... + 64170.

It is an arithmetic number, because the mean of its divisors is an integer number (1047277).

Almost surely, 2^6668324 is an apocalyptic number.

It is an amenable number.

6668324 is a deficient number, since it is larger than the sum of its proper divisors (5899000).

6668324 is a wasteful number, since it uses less digits than its factorization.

6668324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128254 (or 128252 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 6668324 is about 2582.3098187475. The cubic root of 6668324 is about 188.2228005878. Note that the first 3 decimals are identical.

The spelling of 6668324 in words is "six million, six hundred sixty-eight thousand, three hundred twenty-four".