2772946772 has 24 divisors (see below), whose sum is σ = 5149607400. Its totient is φ = 1301995520.

The previous prime is 2772946733. The next prime is 2772946777. The reversal of 2772946772 is 2776492772.

It can be written as a sum of positive squares in 4 ways, for example, as 1065108496 + 1707838276 = 32636^2 + 41326^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772946777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14879 + ... + 75942.

It is an arithmetic number, because the mean of its divisors is an integer number (214566975).

Almost surely, 2^2772946772 is an apocalyptic number.

It is an amenable number.

2772946772 is a deficient number, since it is larger than the sum of its proper divisors (2376660628).

2772946772 is a wasteful number, since it uses less digits than its factorization.

2772946772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91291 (or 91289 counting only the distinct ones).

The product of its digits is 4148928, while the sum is 53.

The square root of 2772946772 is about 52658.7767803241. The cubic root of 2772946772 is about 1404.9057103342.

The spelling of 2772946772 in words is "two billion, seven hundred seventy-two million, nine hundred forty-six thousand, seven hundred seventy-two".