2721741 has 16 divisors (see below), whose sum is σ = 4021248. Its totient is φ = 1623600.

The previous prime is 2721727. The next prime is 2721767. The reversal of 2721741 is 1471272.

It is not a de Polignac number, because 2721741 - 2¹⁰ = 2720717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2721701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1596 + ... + 2826.

It is an arithmetic number, because the mean of its divisors is an integer number (251328).

2^2721741 is an apocalyptic number.

It is an amenable number.

2721741 is a deficient number, since it is larger than the sum of its proper divisors (1299507).

2721741 is a wasteful number, since it uses less digits than its factorization.

2721741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312.

The product of its digits is 784, while the sum is 24.

The square root of 2721741 is about 1649.7699839675. The cubic root of 2721741 is about 139.6204173441.

The spelling of 2721741 in words is "two million, seven hundred twenty-one thousand, seven hundred forty-one".