6668337 has 16 divisors (see below), whose sum is σ = 9735488. Its totient is φ = 4034880.

The previous prime is 6668273. The next prime is 6668341. The reversal of 6668337 is 7338666.

It is a happy number.

It is not a de Polignac number, because 6668337 - 2⁶ = 6668273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6668295 and 6668304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 978 + ... + 3780.

It is an arithmetic number, because the mean of its divisors is an integer number (608468).

Almost surely, 2^6668337 is an apocalyptic number.

It is an amenable number.

6668337 is a deficient number, since it is larger than the sum of its proper divisors (3067151).

6668337 is a wasteful number, since it uses less digits than its factorization.

6668337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880.

The product of its digits is 108864, while the sum is 39.

The square root of 6668337 is about 2582.3123358726. The cubic root of 6668337 is about 188.2229229021. Note that the first 3 decimals are identical.

The spelling of 6668337 in words is "six million, six hundred sixty-eight thousand, three hundred thirty-seven".