7668066 has 64 divisors (see below), whose sum is σ = 18498816. Its totient is φ = 2073600.

The previous prime is 7668049. The next prime is 7668079. The reversal of 7668066 is 6608667.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105006 + ... + 105078.

It is an arithmetic number, because the mean of its divisors is an integer number (289044).

Almost surely, 2^7668066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7668066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9249408).

7668066 is an abundant number, since it is smaller than the sum of its proper divisors (10830750).

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

7668066 is a wasteful number, since it uses less digits than its factorization.

7668066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 7668066 is about 2769.1272993490. The cubic root of 7668066 is about 197.1947193047.

The spelling of 7668066 in words is "seven million, six hundred sixty-eight thousand, sixty-six".