2773045 has 16 divisors (see below), whose sum is σ = 3667968. Its totient is φ = 1995840.

The previous prime is 2773037. The next prime is 2773049. The reversal of 2773045 is 5403772.

It is not a de Polignac number, because 2773045 - 2³ = 2773037 is a prime.

It is a Duffinian number.

2773045 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2773049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6787 + ... + 7183.

It is an arithmetic number, because the mean of its divisors is an integer number (229248).

2^2773045 is an apocalyptic number.

It is an amenable number.

2773045 is a deficient number, since it is larger than the sum of its proper divisors (894923).

2773045 is a wasteful number, since it uses less digits than its factorization.

2773045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540.

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

The square root of 2773045 is about 1665.2462280396. The cubic root of 2773045 is about 140.4922299119.

The spelling of 2773045 in words is "two million, seven hundred seventy-three thousand, forty-five".