7794816 has 64 divisors (see below), whose sum is σ = 21150720. Its totient is φ = 2542592.

The previous prime is 7794811. The next prime is 7794817. The reversal of 7794816 is 6184977.

It is a tau number, because it is divible by the number of its divisors (64).

Its product of digits (84672) is a multiple of the sum of its prime divisors (441).

It is not an unprimeable number, because it can be changed into a prime (7794811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20161 + ... + 20543.

It is an arithmetic number, because the mean of its divisors is an integer number (330480).

Almost surely, 2^7794816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7794816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10575360).

7794816 is an abundant number, since it is smaller than the sum of its proper divisors (13355904).

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

7794816 is a wasteful number, since it uses less digits than its factorization.

7794816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 441 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The square root of 7794816 is about 2791.9197696209. The cubic root of 7794816 is about 198.2753031900.

The spelling of 7794816 in words is "seven million, seven hundred ninety-four thousand, eight hundred sixteen".