7968816 has 30 divisors (see below), whose sum is σ = 22302020. Its totient is φ = 2656224.

The previous prime is 7968811. The next prime is 7968817. The reversal of 7968816 is 6188697.

It is a happy number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (7968811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27526 + ... + 27813.

Almost surely, 2^7968816 is an apocalyptic number.

It is an amenable number.

7968816 is an abundant number, since it is smaller than the sum of its proper divisors (14333204).

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

7968816 is a wasteful number, since it uses less digits than its factorization.

7968816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55353 (or 55344 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 7968816 is about 2822.9091377513. The cubic root of 7968816 is about 199.7397949468.

The spelling of 7968816 in words is "seven million, nine hundred sixty-eight thousand, eight hundred sixteen".