2743872 has 56 divisors (see below), whose sum is σ = 7510272. Its totient is φ = 883200.

The previous prime is 2743861. The next prime is 2743901. The reversal of 2743872 is 2783472.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5722 + ... + 6182.

It is an arithmetic number, because the mean of its divisors is an integer number (134112).

2^2743872 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 2743872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3755136).

2743872 is an abundant number, since it is smaller than the sum of its proper divisors (4766400).

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

2743872 is a wasteful number, since it uses less digits than its factorization.

2743872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 497 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 2743872 is about 1656.4637031942. The cubic root of 2743872 is about 139.9978230954.

The spelling of 2743872 in words is "two million, seven hundred forty-three thousand, eight hundred seventy-two".