2743091 has 4 divisors (see below), whose sum is σ = 2954112. Its totient is φ = 2532072.

The previous prime is 2743079. The next prime is 2743093. The reversal of 2743091 is 1903472.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2743091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2743091.

It is not an unprimeable number, because it can be changed into a prime (2743093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105491 + ... + 105516.

It is an arithmetic number, because the mean of its divisors is an integer number (738528).

2^2743091 is an apocalyptic number.

2743091 is a deficient number, since it is larger than the sum of its proper divisors (211021).

2743091 is a wasteful number, since it uses less digits than its factorization.

2743091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211020.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2743091 is about 1656.2279432494. The cubic root of 2743091 is about 139.9845391090.

The spelling of 2743091 in words is "two million, seven hundred forty-three thousand, ninety-one".