6818172 has 24 divisors (see below), whose sum is σ = 15985536. Its totient is φ = 2261808.

The previous prime is 6818167. The next prime is 6818179. The reversal of 6818172 is 2718186.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6818179) 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, 1473 + ... + 3975.

It is an arithmetic number, because the mean of its divisors is an integer number (666064).

Almost surely, 2^6818172 is an apocalyptic number.

It is an amenable number.

6818172 is an abundant number, since it is smaller than the sum of its proper divisors (9167364).

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

6818172 is a wasteful number, since it uses less digits than its factorization.

6818172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737 (or 2735 counting only the distinct ones).

The product of its digits is 5376, while the sum is 33.

The square root of 6818172 is about 2611.1629592961. The cubic root of 6818172 is about 189.6222596664.

The spelling of 6818172 in words is "six million, eight hundred eighteen thousand, one hundred seventy-two".