7668426 has 32 divisors (see below), whose sum is σ = 15925248. Its totient is φ = 2460080.

The previous prime is 7668421. The next prime is 7668433. The reversal of 7668426 is 6248667.

7668426 is a modest number, since divided by 8426 gives 766 as remainder.

It is not an unprimeable number, because it can be changed into a prime (7668421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19831 + ... + 20213.

It is an arithmetic number, because the mean of its divisors is an integer number (497664).

Almost surely, 2^7668426 is an apocalyptic number.

7668426 is an abundant number, since it is smaller than the sum of its proper divisors (8256822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7668426 is a wasteful number, since it uses less digits than its factorization.

7668426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506.

The product of its digits is 96768, while the sum is 39.

The square root of 7668426 is about 2769.1923010149. The cubic root of 7668426 is about 197.1978052192.

The spelling of 7668426 in words is "seven million, six hundred sixty-eight thousand, four hundred twenty-six".