2744345 has 4 divisors (see below), whose sum is σ = 3293220. Its totient is φ = 2195472.

The previous prime is 2744323. The next prime is 2744347. The reversal of 2744345 is 5434472.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1990921 + 753424 = 1411^2 + 868^2 .

It is a cyclic number.

It is not a de Polignac number, because 2744345 - 2¹² = 2740249 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 7⁷ + 4 + 4⁹ + 3¹² + 4¹⁰ + 5⁷ .

It is not an unprimeable number, because it can be changed into a prime (2744347) 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, 274430 + ... + 274439.

It is an arithmetic number, because the mean of its divisors is an integer number (823305).

2^2744345 is an apocalyptic number.

It is an amenable number.

2744345 is a deficient number, since it is larger than the sum of its proper divisors (548875).

2744345 is an equidigital number, since it uses as much as digits as its factorization.

2744345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548874.

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

The square root of 2744345 is about 1656.6064710727. The cubic root of 2744345 is about 140.0058671011.

The spelling of 2744345 in words is "two million, seven hundred forty-four thousand, three hundred forty-five".