7768648 has 32 divisors (see below), whose sum is σ = 15048000. Its totient is φ = 3758400.

The previous prime is 7768627. The next prime is 7768669. The reversal of 7768648 is 8468677.

It is an interprime number because it is at equal distance from previous prime (7768627) and next prime (7768669).

It is a junction number, because it is equal to n+sod(n) for n = 7768598 and 7768607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51373 + ... + 51523.

It is an arithmetic number, because the mean of its divisors is an integer number (470250).

Almost surely, 2^7768648 is an apocalyptic number.

It is an amenable number.

7768648 is a deficient number, since it is larger than the sum of its proper divisors (7279352).

7768648 is a wasteful number, since it uses less digits than its factorization.

7768648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 321 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The square root of 7768648 is about 2787.2294487537. The cubic root of 7768648 is about 198.0531775678.

The spelling of 7768648 in words is "seven million, seven hundred sixty-eight thousand, six hundred forty-eight".