2728117273 has 8 divisors (see below), whose sum is σ = 3218424320. Its totient is φ = 2262954240.

The previous prime is 2728117253. The next prime is 2728117309. The reversal of 2728117273 is 3727118272.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2728117273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2728117253) 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, 6285768 + ... + 6286201.

It is an arithmetic number, because the mean of its divisors is an integer number (402303040).

Almost surely, 2^2728117273 is an apocalyptic number.

It is an amenable number.

2728117273 is a deficient number, since it is larger than the sum of its proper divisors (490307047).

2728117273 is a wasteful number, since it uses less digits than its factorization.

2728117273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12572007.

The product of its digits is 65856, while the sum is 40.

The square root of 2728117273 is about 52231.3820705522. The cubic root of 2728117273 is about 1397.2936275724.

Subtracting 2728117273 from its reverse (3727118272), we obtain a palindrome (999000999).

The spelling of 2728117273 in words is "two billion, seven hundred twenty-eight million, one hundred seventeen thousand, two hundred seventy-three".