4068668 has 18 divisors (see below), whose sum is σ = 7327656. Its totient is φ = 1976688.

The previous prime is 4068667. The next prime is 4068683. The reversal of 4068668 is 8668604.

4068668 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4068667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5105 + ... + 5847.

It is an arithmetic number, because the mean of its divisors is an integer number (407092).

Almost surely, 2^4068668 is an apocalyptic number.

It is an amenable number.

4068668 is a deficient number, since it is larger than the sum of its proper divisors (3258988).

4068668 is a wasteful number, since it uses less digits than its factorization.

4068668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 4068668 is about 2017.0939492250. The cubic root of 4068668 is about 159.6433200455.

The spelling of 4068668 in words is "four million, sixty-eight thousand, six hundred sixty-eight".