2745047273 has 8 divisors (see below), whose sum is σ = 2909927592. Its totient is φ = 2580545536.

The previous prime is 2745047269. The next prime is 2745047321. The reversal of 2745047273 is 3727405472.

2745047273 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 4 ways, for example, as 854275984 + 1890771289 = 29228^2 + 43483^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2745047273 - 2² = 2745047269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2745047273.

It is not an unprimeable number, because it can be changed into a prime (2745046273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79640 + ... + 108777.

It is an arithmetic number, because the mean of its divisors is an integer number (363740949).

Almost surely, 2^2745047273 is an apocalyptic number.

It is an amenable number.

2745047273 is a deficient number, since it is larger than the sum of its proper divisors (164880319).

2745047273 is a wasteful number, since it uses less digits than its factorization.

2745047273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189291.

The product of its (nonzero) digits is 329280, while the sum is 41.

The square root of 2745047273 is about 52393.1987284609. The cubic root of 2745047273 is about 1400.1780849991.

The spelling of 2745047273 in words is "two billion, seven hundred forty-five million, forty-seven thousand, two hundred seventy-three".