2745449 has 8 divisors (see below), whose sum is σ = 3322368. Its totient is φ = 2214720.

The previous prime is 2745433. The next prime is 2745451. The reversal of 2745449 is 9445472.

2745449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2745449 - 2⁴ = 2745433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2745419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11417 + ... + 11654.

It is an arithmetic number, because the mean of its divisors is an integer number (415296).

2^2745449 is an apocalyptic number.

It is an amenable number.

2745449 is a deficient number, since it is larger than the sum of its proper divisors (576919).

2745449 is a wasteful number, since it uses less digits than its factorization.

2745449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23095.

The product of its digits is 40320, while the sum is 35.

The square root of 2745449 is about 1656.9396488708. The cubic root of 2745449 is about 140.0246385208.

The spelling of 2745449 in words is "two million, seven hundred forty-five thousand, four hundred forty-nine".