7668133 has 12 divisors (see below), whose sum is σ = 8512000. Its totient is φ = 6902280.

The previous prime is 7668113. The next prime is 7668137. The reversal of 7668133 is 3318667.

It is a de Polignac number, because none of the positive numbers 2^k-7668133 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

Its product of digits (18144) is a multiple of the sum of its prime factors (648).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7668137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15118 + ... + 15616.

Almost surely, 2^7668133 is an apocalyptic number.

It is an amenable number.

7668133 is a deficient number, since it is larger than the sum of its proper divisors (843867).

7668133 is a wasteful number, since it uses less digits than its factorization.

7668133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 637 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 7668133 is about 2769.1393969968. The cubic root of 7668133 is about 197.1952936350.

The spelling of 7668133 in words is "seven million, six hundred sixty-eight thousand, one hundred thirty-three".