7975218 has 16 divisors (see below), whose sum is σ = 15982560. Its totient is φ = 2653056.

The previous prime is 7975213. The next prime is 7975229. The reversal of 7975218 is 8125797.

7975218 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (7975213) 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, 2946 + ... + 4962.

It is an arithmetic number, because the mean of its divisors is an integer number (998910).

Almost surely, 2^7975218 is an apocalyptic number.

7975218 is an abundant number, since it is smaller than the sum of its proper divisors (8007342).

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

7975218 is a wasteful number, since it uses less digits than its factorization.

7975218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681.

The product of its digits is 35280, while the sum is 39.

The square root of 7975218 is about 2824.0428467005. The cubic root of 7975218 is about 199.7932697199.

The spelling of 7975218 in words is "seven million, nine hundred seventy-five thousand, two hundred eighteen".