2747873 has 2 divisors, whose sum is σ = 2747874. Its totient is φ = 2747872.

The previous prime is 2747869. The next prime is 2747903. The reversal of 2747873 is 3787472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2729104 + 18769 = 1652^2 + 137^2 .

It is a cyclic number.

It is not a de Polignac number, because 2747873 - 2² = 2747869 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2747803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1373936 + 1373937.

It is an arithmetic number, because the mean of its divisors is an integer number (1373937).

2^2747873 is an apocalyptic number.

It is an amenable number.

2747873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2747873 is an equidigital number, since it uses as much as digits as its factorization.

2747873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65856, while the sum is 38.

The square root of 2747873 is about 1657.6709564929. The cubic root of 2747873 is about 140.0658363819.

The spelling of 2747873 in words is "two million, seven hundred forty-seven thousand, eight hundred seventy-three".