2706745 has 4 divisors (see below), whose sum is σ = 3248100. Its totient is φ = 2165392.

The previous prime is 2706731. The next prime is 2706787. The reversal of 2706745 is 5476072.

2706745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1505529 + 1201216 = 1227^2 + 1096^2 .

It is a cyclic number.

It is not a de Polignac number, because 2706745 - 2¹¹ = 2704697 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 3 ways as a sum of consecutive naturals, for example, 270670 + ... + 270679.

It is an arithmetic number, because the mean of its divisors is an integer number (812025).

2^2706745 is an apocalyptic number.

It is an amenable number.

2706745 is a deficient number, since it is larger than the sum of its proper divisors (541355).

2706745 is an equidigital number, since it uses as much as digits as its factorization.

2706745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541354.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 2706745 is about 1645.2188304296. The cubic root of 2706745 is about 139.3635223511.

The spelling of 2706745 in words is "two million, seven hundred six thousand, seven hundred forty-five".