2772904 has 16 divisors (see below), whose sum is σ = 5505300. Its totient is φ = 1304832.

The previous prime is 2772901. The next prime is 2772923. The reversal of 2772904 is 4092772.

It is a happy number.

2772904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2280100 + 492804 = 1510^2 + 702^2 .

It is not an unprimeable number, because it can be changed into a prime (2772901) 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, 10059 + ... + 10330.

2^2772904 is an apocalyptic number.

It is an amenable number.

2772904 is a deficient number, since it is larger than the sum of its proper divisors (2732396).

2772904 is a wasteful number, since it uses less digits than its factorization.

2772904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20412 (or 20408 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 2772904 is about 1665.2038914199. The cubic root of 2772904 is about 140.4898486859.

It can be divided in two parts, 277 and 2904, that multiplied together give a palindrome (804408).

The spelling of 2772904 in words is "two million, seven hundred seventy-two thousand, nine hundred four".