2734445 has 12 divisors (see below), whose sum is σ = 3817404. Its totient is φ = 1874880.

The previous prime is 2734441. The next prime is 2734451. The reversal of 2734445 is 5444372.

It can be written as a sum of positive squares in 2 ways, for example, as 405769 + 2328676 = 637^2 + 1526^2 .

It is not a de Polignac number, because 2734445 - 2² = 2734441 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon 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 (2734441) 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 11 ways as a sum of consecutive naturals, for example, 5336 + ... + 5825.

It is an arithmetic number, because the mean of its divisors is an integer number (318117).

2^2734445 is an apocalyptic number.

It is an amenable number.

2734445 is a deficient number, since it is larger than the sum of its proper divisors (1082959).

2734445 is a wasteful number, since it uses less digits than its factorization.

2734445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11180 (or 11173 counting only the distinct ones).

The product of its digits is 13440, while the sum is 29.

The square root of 2734445 is about 1653.6157352904. The cubic root of 2734445 is about 139.8373110182.

The spelling of 2734445 in words is "two million, seven hundred thirty-four thousand, four hundred forty-five".