2745976806 has 12 divisors (see below), whose sum is σ = 5949616452. Its totient is φ = 915325596.

The previous prime is 2745976801. The next prime is 2745976817. The reversal of 2745976806 is 6086795472.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745976801) 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 5 ways as a sum of consecutive naturals, for example, 76277116 + ... + 76277151.

It is an arithmetic number, because the mean of its divisors is an integer number (495801371).

Almost surely, 2^2745976806 is an apocalyptic number.

2745976806 is an abundant number, since it is smaller than the sum of its proper divisors (3203639646).

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

2745976806 is a wasteful number, since it uses less digits than its factorization.

2745976806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152554275 (or 152554272 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The square root of 2745976806 is about 52402.0687187061. The cubic root of 2745976806 is about 1400.3361107969.

The spelling of 2745976806 in words is "two billion, seven hundred forty-five million, nine hundred seventy-six thousand, eight hundred six".