6730668 has 96 divisors (see below), whose sum is σ = 20697600. Its totient is φ = 1850688.

The previous prime is 6730667. The next prime is 6730681. The reversal of 6730668 is 8660376.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6730663) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 21771 + ... + 22077.

It is an arithmetic number, because the mean of its divisors is an integer number (215600).

Almost surely, 2^6730668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6730668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10348800).

6730668 is an abundant number, since it is smaller than the sum of its proper divisors (13966932).

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

6730668 is a wasteful number, since it uses less digits than its factorization.

6730668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 6730668 is about 2594.3530985585. The cubic root of 6730668 is about 188.8075642737.

The spelling of 6730668 in words is "six million, seven hundred thirty thousand, six hundred sixty-eight".