7668663 has 8 divisors (see below), whose sum is σ = 10462848. Its totient is φ = 4993464.

The previous prime is 7668653. The next prime is 7668667. The reversal of 7668663 is 3668667.

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

It is not a de Polignac number, because 7668663 - 2⁵ = 7668631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7668667) 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 7 ways as a sum of consecutive naturals, for example, 29595 + ... + 29852.

It is an arithmetic number, because the mean of its divisors is an integer number (1307856).

Almost surely, 2^7668663 is an apocalyptic number.

7668663 is a deficient number, since it is larger than the sum of its proper divisors (2794185).

7668663 is a wasteful number, since it uses less digits than its factorization.

7668663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59493.

The product of its digits is 217728, while the sum is 42.

The square root of 7668663 is about 2769.2350929453. The cubic root of 7668663 is about 197.1998367269.

The spelling of 7668663 in words is "seven million, six hundred sixty-eight thousand, six hundred sixty-three".