7678768 has 20 divisors (see below), whose sum is σ = 15224968. Its totient is φ = 3749760.

The previous prime is 7678751. The next prime is 7678771. The reversal of 7678768 is 8678767.

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, 4893 + ... + 6268.

Almost surely, 2^7678768 is an apocalyptic number.

It is an amenable number.

7678768 is a deficient number, since it is larger than the sum of its proper divisors (7546200).

7678768 is a wasteful number, since it uses less digits than its factorization.

7678768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11212 (or 11206 counting only the distinct ones).

The product of its digits is 790272, while the sum is 49.

The square root of 7678768 is about 2771.0590033415. The cubic root of 7678768 is about 197.2864154751.

Subtracting 7678768 from its reverse (8678767), we obtain a palindrome (999999).

The spelling of 7678768 in words is "seven million, six hundred seventy-eight thousand, seven hundred sixty-eight".