2688172 has 6 divisors (see below), whose sum is σ = 4704308. Its totient is φ = 1344084.

The previous prime is 2688167. The next prime is 2688173. The reversal of 2688172 is 2718862.

It is not an unprimeable number, because it can be changed into a prime (2688173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336018 + ... + 336025.

2^2688172 is an apocalyptic number.

It is an amenable number.

2688172 is a deficient number, since it is larger than the sum of its proper divisors (2016136).

2688172 is a wasteful number, since it uses less digits than its factorization.

2688172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672047 (or 672045 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 2688172 is about 1639.5645763434. The cubic root of 2688172 is about 139.0440313899.

The spelling of 2688172 in words is "two million, six hundred eighty-eight thousand, one hundred seventy-two".