7108218 has 48 divisors (see below), whose sum is σ = 17054856. Its totient is φ = 2125440.

The previous prime is 7108187. The next prime is 7108243. The reversal of 7108218 is 8128017.

It can be written as a sum of positive squares in 4 ways, for example, as 5602689 + 1505529 = 2367^2 + 1227^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7108191 and 7108200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8248 + ... + 9068.

Almost surely, 2^7108218 is an apocalyptic number.

7108218 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7108218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8527428).

7108218 is an abundant number, since it is smaller than the sum of its proper divisors (9946638).

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

7108218 is a wasteful number, since it uses less digits than its factorization.

7108218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 876 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 7108218 is about 2666.1241531482. The cubic root of 7108218 is about 192.2738604936.

The spelling of 7108218 in words is "seven million, one hundred eight thousand, two hundred eighteen".