7668416 has 28 divisors (see below), whose sum is σ = 17391888. Its totient is φ = 3286272.

The previous prime is 7668403. The next prime is 7668421. The reversal of 7668416 is 6148667.

It is a tau number, because it is divible by the number of its divisors (28).

It is a self number, because there is not a number n which added to its sum of digits gives 7668416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8111 + ... + 9006.

Almost surely, 2^7668416 is an apocalyptic number.

It is an amenable number.

7668416 is an abundant number, since it is smaller than the sum of its proper divisors (9723472).

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

7668416 is a wasteful number, since it uses less digits than its factorization.

7668416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17136 (or 17126 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 7668416 is about 2769.1904954336. The cubic root of 7668416 is about 197.1977195007.

The spelling of 7668416 in words is "seven million, six hundred sixty-eight thousand, four hundred sixteen".