2730784573 has 4 divisors (see below), whose sum is σ = 2979037728. Its totient is φ = 2482531420.

The previous prime is 2730784447. The next prime is 2730784591. The reversal of 2730784573 is 3754870372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2730784573 - 2¹⁷ = 2730653501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730724573) 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 3 ways as a sum of consecutive naturals, for example, 124126561 + ... + 124126582.

It is an arithmetic number, because the mean of its divisors is an integer number (744759432).

Almost surely, 2^2730784573 is an apocalyptic number.

It is an amenable number.

2730784573 is a deficient number, since it is larger than the sum of its proper divisors (248253155).

2730784573 is a wasteful number, since it uses less digits than its factorization.

2730784573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248253154.

The product of its (nonzero) digits is 987840, while the sum is 46.

The square root of 2730784573 is about 52256.9093326423. The cubic root of 2730784573 is about 1397.7488606068.

The spelling of 2730784573 in words is "two billion, seven hundred thirty million, seven hundred eighty-four thousand, five hundred seventy-three".