2745634768 has 20 divisors (see below), whose sum is σ = 5320479780. Its totient is φ = 1372607744.

The previous prime is 2745634763. The next prime is 2745634777. The reversal of 2745634768 is 8674365472.

2745634768 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 396487744 + 2349147024 = 19912^2 + 48468^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745634763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198246 + ... + 211642.

It is an arithmetic number, because the mean of its divisors is an integer number (266023989).

Almost surely, 2^2745634768 is an apocalyptic number.

It is an amenable number.

2745634768 is a deficient number, since it is larger than the sum of its proper divisors (2574845012).

2745634768 is a wasteful number, since it uses less digits than its factorization.

2745634768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26214 (or 26208 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 52.

The square root of 2745634768 is about 52398.8050245423. The cubic root of 2745634768 is about 1400.2779665755.

The spelling of 2745634768 in words is "two billion, seven hundred forty-five million, six hundred thirty-four thousand, seven hundred sixty-eight".