2730763 has 4 divisors (see below), whose sum is σ = 3120880. Its totient is φ = 2340648.

The previous prime is 2730751. The next prime is 2730769. The reversal of 2730763 is 3670372.

2730763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2730763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2730769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195048 + ... + 195061.

It is an arithmetic number, because the mean of its divisors is an integer number (780220).

2^2730763 is an apocalyptic number.

2730763 is a deficient number, since it is larger than the sum of its proper divisors (390117).

2730763 is an equidigital number, since it uses as much as digits as its factorization.

2730763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390116.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 2730763 is about 1652.5020423588. The cubic root of 2730763 is about 139.7745179892.

The spelling of 2730763 in words is "two million, seven hundred thirty thousand, seven hundred sixty-three".