2756745 has 12 divisors (see below), whose sum is σ = 4778436. Its totient is φ = 1470240.

The previous prime is 2756731. The next prime is 2756749. The reversal of 2756745 is 5476572.

It can be written as a sum of positive squares in 2 ways, for example, as 751689 + 2005056 = 867^2 + 1416^2 .

It is not a de Polignac number, because 2756745 - 2⁵ = 2756713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2756749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30586 + ... + 30675.

It is an arithmetic number, because the mean of its divisors is an integer number (398203).

2^2756745 is an apocalyptic number.

It is an amenable number.

2756745 is a deficient number, since it is larger than the sum of its proper divisors (2021691).

2756745 is a wasteful number, since it uses less digits than its factorization.

2756745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61272 (or 61269 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 2756745 is about 1660.3448436996. The cubic root of 2756745 is about 140.2164169832.

The spelling of 2756745 in words is "two million, seven hundred fifty-six thousand, seven hundred forty-five".