7668646 has 8 divisors (see below), whose sum is σ = 11520864. Its totient is φ = 3828360.

The previous prime is 7668631. The next prime is 7668653. The reversal of 7668646 is 6468667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1150 + ... + 4081.

It is an arithmetic number, because the mean of its divisors is an integer number (1440108).

Almost surely, 2^7668646 is an apocalyptic number.

7668646 is a deficient number, since it is larger than the sum of its proper divisors (3852218).

7668646 is a wasteful number, since it uses less digits than its factorization.

7668646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5966.

The product of its digits is 290304, while the sum is 43.

The square root of 7668646 is about 2769.2320235040. The cubic root of 7668646 is about 197.1996910083.

The spelling of 7668646 in words is "seven million, six hundred sixty-eight thousand, six hundred forty-six".