2773873 has 4 divisors (see below), whose sum is σ = 2937060. Its totient is φ = 2610688.

The previous prime is 2773871. The next prime is 2773891. The reversal of 2773873 is 3783772.

2773873 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 1912689 + 861184 = 1383^2 + 928^2 .

It is a cyclic number.

It is not a de Polignac number, because 2773873 - 2¹ = 2773871 is a prime.

It is a Duffinian number.

2773873 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2773871) by changing a digit.

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, 81568 + ... + 81601.

It is an arithmetic number, because the mean of its divisors is an integer number (734265).

2^2773873 is an apocalyptic number.

It is an amenable number.

2773873 is a deficient number, since it is larger than the sum of its proper divisors (163187).

2773873 is a wasteful number, since it uses less digits than its factorization.

2773873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163186.

The product of its digits is 49392, while the sum is 37.

The square root of 2773873 is about 1665.4948213669. The cubic root of 2773873 is about 140.5062116528.

The spelling of 2773873 in words is "two million, seven hundred seventy-three thousand, eight hundred seventy-three".