2705473 has 4 divisors (see below), whose sum is σ = 2710228. Its totient is φ = 2700720.

The previous prime is 2705471. The next prime is 2705509. The reversal of 2705473 is 3745072.

It is the 672-nd star number.

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 1658944 + 1046529 = 1288^2 + 1023^2 .

It is a cyclic number.

It is not a de Polignac number, because 2705473 - 2¹ = 2705471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2705471) 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 3 ways as a sum of consecutive naturals, for example, 1386 + ... + 2707.

It is an arithmetic number, because the mean of its divisors is an integer number (677557).

2^2705473 is an apocalyptic number.

It is an amenable number.

2705473 is a deficient number, since it is larger than the sum of its proper divisors (4755).

2705473 is an equidigital number, since it uses as much as digits as its factorization.

2705473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4754.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 2705473 is about 1644.8322102877. The cubic root of 2705473 is about 139.3416882322.

The spelling of 2705473 in words is "two million, seven hundred five thousand, four hundred seventy-three".