2744945 has 8 divisors (see below), whose sum is σ = 3764544. Its totient is φ = 1882224.

The previous prime is 2744933. The next prime is 2744953. The reversal of 2744945 is 5494472.

2744945 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 2744945 - 2⁶ = 2744881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 78427 = 2744945 / (2 + 7 + 4 + 4 + 9 + 4 + 5).

It is an unprimeable number.

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, 39179 + ... + 39248.

It is an arithmetic number, because the mean of its divisors is an integer number (470568).

2^2744945 is an apocalyptic number.

It is an amenable number.

2744945 is a deficient number, since it is larger than the sum of its proper divisors (1019599).

2744945 is an equidigital number, since it uses as much as digits as its factorization.

2744945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78439.

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

The square root of 2744945 is about 1656.7875542748. The cubic root of 2744945 is about 140.0160695840.

The spelling of 2744945 in words is "two million, seven hundred forty-four thousand, nine hundred forty-five".