7328666 has 16 divisors (see below), whose sum is σ = 11689920. Its totient is φ = 3433920.

The previous prime is 7328647. The next prime is 7328669. The reversal of 7328666 is 6668237.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7328669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14681 + ... + 15171.

It is an arithmetic number, because the mean of its divisors is an integer number (730620).

Almost surely, 2^7328666 is an apocalyptic number.

7328666 is a deficient number, since it is larger than the sum of its proper divisors (4361254).

7328666 is a wasteful number, since it uses less digits than its factorization.

7328666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949.

The product of its digits is 72576, while the sum is 38.

The square root of 7328666 is about 2707.1509008550. The cubic root of 7328666 is about 194.2413300223.

The spelling of 7328666 in words is "seven million, three hundred twenty-eight thousand, six hundred sixty-six".