2734591 has 4 divisors (see below), whose sum is σ = 2781000. Its totient is φ = 2688184.

The previous prime is 2734579. The next prime is 2734607. The reversal of 2734591 is 1954372.

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

It is a cyclic number.

It is not a de Polignac number, because 2734591 - 2¹⁹ = 2210303 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2734561) 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, 23116 + ... + 23233.

It is an arithmetic number, because the mean of its divisors is an integer number (695250).

2^2734591 is an apocalyptic number.

2734591 is a deficient number, since it is larger than the sum of its proper divisors (46409).

2734591 is an equidigital number, since it uses as much as digits as its factorization.

2734591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46408.

The product of its digits is 7560, while the sum is 31.

The square root of 2734591 is about 1653.6598803865. The cubic root of 2734591 is about 139.8397997480.

The spelling of 2734591 in words is "two million, seven hundred thirty-four thousand, five hundred ninety-one".