7827216 has 40 divisors (see below), whose sum is σ = 20921280. Its totient is φ = 2518656.

The previous prime is 7827173. The next prime is 7827217. The reversal of 7827216 is 6127287.

It is a super-2 number, since 2×7827216² = 122530620621312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7827217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1420 + ... + 4203.

It is an arithmetic number, because the mean of its divisors is an integer number (523032).

Almost surely, 2^7827216 is an apocalyptic number.

It is an amenable number.

7827216 is an abundant number, since it is smaller than the sum of its proper divisors (13094064).

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

7827216 is a wasteful number, since it uses less digits than its factorization.

7827216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5663 (or 5657 counting only the distinct ones).

The product of its digits is 9408, while the sum is 33.

The square root of 7827216 is about 2797.7162114839. The cubic root of 7827216 is about 198.5496410520.

The spelling of 7827216 in words is "seven million, eight hundred twenty-seven thousand, two hundred sixteen".