7688816 has 20 divisors (see below), whose sum is σ = 15179832. Its totient is φ = 3771456.

The previous prime is 7688809. The next prime is 7688839. The reversal of 7688816 is 6188867.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3686 + ... + 5381.

Almost surely, 2^7688816 is an apocalyptic number.

It is an amenable number.

7688816 is a deficient number, since it is larger than the sum of its proper divisors (7491016).

7688816 is a wasteful number, since it uses less digits than its factorization.

7688816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9128 (or 9122 counting only the distinct ones).

The product of its digits is 129024, while the sum is 44.

The square root of 7688816 is about 2772.8714358946. The cubic root of 7688816 is about 197.3724305699.

The spelling of 7688816 in words is "seven million, six hundred eighty-eight thousand, eight hundred sixteen".