2730775605 has 16 divisors (see below), whose sum is σ = 4429095360. Its totient is φ = 1436462208.

The previous prime is 2730775601. The next prime is 2730775631. The reversal of 2730775605 is 5065770372.

It is not a de Polignac number, because 2730775605 - 2² = 2730775601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730775601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1245835 + ... + 1248024.

It is an arithmetic number, because the mean of its divisors is an integer number (276818460).

Almost surely, 2^2730775605 is an apocalyptic number.

It is an amenable number.

2730775605 is a deficient number, since it is larger than the sum of its proper divisors (1698319755).

2730775605 is a wasteful number, since it uses less digits than its factorization.

2730775605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493940.

The product of its (nonzero) digits is 308700, while the sum is 42.

The square root of 2730775605 is about 52256.8235257368. The cubic root of 2730775605 is about 1397.7473305184.

The spelling of 2730775605 in words is "two billion, seven hundred thirty million, seven hundred seventy-five thousand, six hundred five".