2745747768 has 16 divisors (see below), whose sum is σ = 6864369480. Its totient is φ = 915249248.

The previous prime is 2745747749. The next prime is 2745747769. The reversal of 2745747768 is 8677475472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745747769) 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, 57203055 + ... + 57203102.

Almost surely, 2^2745747768 is an apocalyptic number.

It is an amenable number.

2745747768 is an abundant number, since it is smaller than the sum of its proper divisors (4118621712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2745747768 is a wasteful number, since it uses less digits than its factorization.

2745747768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114406166 (or 114406162 counting only the distinct ones).

The product of its digits is 18439680, while the sum is 57.

The square root of 2745747768 is about 52399.8832823128. The cubic root of 2745747768 is about 1400.2971763700.

The spelling of 2745747768 in words is "two billion, seven hundred forty-five million, seven hundred forty-seven thousand, seven hundred sixty-eight".