7689868 has 12 divisors (see below), whose sum is σ = 13647312. Its totient is φ = 3790640.

The previous prime is 7689863. The next prime is 7689881. The reversal of 7689868 is 8689867.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7689863) 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, 13255 + ... + 13822.

It is an arithmetic number, because the mean of its divisors is an integer number (1137276).

Almost surely, 2^7689868 is an apocalyptic number.

It is an amenable number.

7689868 is a deficient number, since it is larger than the sum of its proper divisors (5957444).

7689868 is a wasteful number, since it uses less digits than its factorization.

7689868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27152 (or 27150 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 52.

The square root of 7689868 is about 2773.0611244616. The cubic root of 7689868 is about 197.3814317966.

Subtracting 7689868 from its reverse (8689867), we obtain a palindrome (999999).

The spelling of 7689868 in words is "seven million, six hundred eighty-nine thousand, eight hundred sixty-eight".