7118216 has 32 divisors (see below), whose sum is σ = 15456000. Its totient is φ = 3010176.

The previous prime is 7118213. The next prime is 7118219. The reversal of 7118216 is 6128117.

It is an interprime number because it is at equal distance from previous prime (7118213) and next prime (7118219).

It is not an unprimeable number, because it can be changed into a prime (7118213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3620 + ... + 5228.

It is an arithmetic number, because the mean of its divisors is an integer number (483000).

Almost surely, 2^7118216 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 7118216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7728000).

7118216 is an abundant number, since it is smaller than the sum of its proper divisors (8337784).

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

7118216 is a wasteful number, since it uses less digits than its factorization.

7118216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701 (or 1697 counting only the distinct ones).

The product of its digits is 672, while the sum is 26.

The square root of 7118216 is about 2667.9985007492. The cubic root of 7118216 is about 192.3639652836.

Subtracting from 7118216 its reverse (6128117), we obtain a palindrome (990099).

The spelling of 7118216 in words is "seven million, one hundred eighteen thousand, two hundred sixteen".