2730744 has 96 divisors (see below), whose sum is σ = 8255520. Its totient is φ = 811008.

The previous prime is 2730743. The next prime is 2730751. The reversal of 2730744 is 4470372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28104 + ... + 28200.

It is an arithmetic number, because the mean of its divisors is an integer number (85995).

2^2730744 is an apocalyptic number.

2730744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2730744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4127760).

2730744 is an abundant number, since it is smaller than the sum of its proper divisors (5524776).

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

2730744 is a wasteful number, since it uses less digits than its factorization.

2730744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 2730744 is about 1652.4962934905. The cubic root of 2730744 is about 139.7741938158.

It can be divided in two parts, 2730 and 744, that multiplied together give a triangular number (2031120 = T₂₀₁₅).

The spelling of 2730744 in words is "two million, seven hundred thirty thousand, seven hundred forty-four".