2773712756 has 6 divisors (see below), whose sum is σ = 4853997330. Its totient is φ = 1386856376.

The previous prime is 2773712731. The next prime is 2773712783. The reversal of 2773712756 is 6572173772.

It can be written as a sum of positive squares in only one way, i.e., 2050640656 + 723072100 = 45284^2 + 26890^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2773712756.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346714091 + ... + 346714098.

It is an arithmetic number, because the mean of its divisors is an integer number (808999555).

Almost surely, 2^2773712756 is an apocalyptic number.

It is an amenable number.

2773712756 is a deficient number, since it is larger than the sum of its proper divisors (2080284574).

2773712756 is a wasteful number, since it uses less digits than its factorization.

2773712756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693428193 (or 693428191 counting only the distinct ones).

The product of its digits is 864360, while the sum is 47.

The square root of 2773712756 is about 52666.0493676904. The cubic root of 2773712756 is about 1405.0350596402.

The spelling of 2773712756 in words is "two billion, seven hundred seventy-three million, seven hundred twelve thousand, seven hundred fifty-six".