2722741 has 4 divisors (see below), whose sum is σ = 3111712. Its totient is φ = 2333772.

The previous prime is 2722729. The next prime is 2722751. The reversal of 2722741 is 1472272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2722741 - 2¹⁷ = 2591669 is a prime.

It is a Duffinian number.

2722741 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194475 + ... + 194488.

It is an arithmetic number, because the mean of its divisors is an integer number (777928).

2^2722741 is an apocalyptic number.

It is an amenable number.

2722741 is a deficient number, since it is larger than the sum of its proper divisors (388971).

2722741 is an equidigital number, since it uses as much as digits as its factorization.

2722741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388970.

The product of its digits is 1568, while the sum is 25.

The square root of 2722741 is about 1650.0730286869. The cubic root of 2722741 is about 139.6375146508.

The spelling of 2722741 in words is "two million, seven hundred twenty-two thousand, seven hundred forty-one".