2730350305 has 4 divisors (see below), whose sum is σ = 3276420372. Its totient is φ = 2184280240.

The previous prime is 2730350291. The next prime is 2730350333. The reversal of 2730350305 is 5030530372.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1538443729 + 1191906576 = 39223^2 + 34524^2 .

It is not a de Polignac number, because 2730350305 - 2⁹ = 2730349793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273035026 + ... + 273035035.

It is an arithmetic number, because the mean of its divisors is an integer number (819105093).

Almost surely, 2^2730350305 is an apocalyptic number.

It is an amenable number.

2730350305 is a deficient number, since it is larger than the sum of its proper divisors (546070067).

2730350305 is an equidigital number, since it uses as much as digits as its factorization.

2730350305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546070066.

The product of its (nonzero) digits is 9450, while the sum is 28.

The square root of 2730350305 is about 52252.7540422512. The cubic root of 2730350305 is about 1397.6747634911.

Adding to 2730350305 its reverse (5030530372), we get a palindrome (7760880677).

The spelling of 2730350305 in words is "two billion, seven hundred thirty million, three hundred fifty thousand, three hundred five".