7668651 has 4 divisors (see below), whose sum is σ = 10224872. Its totient is φ = 5112432.

The previous prime is 7668631. The next prime is 7668653. The reversal of 7668651 is 1568667.

7668651 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7668651 - 2⁶ = 7668587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7668653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1278106 + ... + 1278111.

It is an arithmetic number, because the mean of its divisors is an integer number (2556218).

Almost surely, 2^7668651 is an apocalyptic number.

7668651 is a deficient number, since it is larger than the sum of its proper divisors (2556221).

7668651 is a wasteful number, since it uses less digits than its factorization.

7668651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556220.

The product of its digits is 60480, while the sum is 39.

The square root of 7668651 is about 2769.2329262812. The cubic root of 7668651 is about 197.1997338667.

The spelling of 7668651 in words is "seven million, six hundred sixty-eight thousand, six hundred fifty-one".