2730273 has 32 divisors (see below), whose sum is σ = 4574976. Its totient is φ = 1410048.

The previous prime is 2730271. The next prime is 2730347. The reversal of 2730273 is 3720372.

It is not a de Polignac number, because 2730273 - 2¹ = 2730271 is a prime.

It is an Ulam number.

It is a Curzon number.

2730273 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2730271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19861 + ... + 19997.

It is an arithmetic number, because the mean of its divisors is an integer number (142968).

2^2730273 is an apocalyptic number.

It is an amenable number.

2730273 is a deficient number, since it is larger than the sum of its proper divisors (1844703).

2730273 is a wasteful number, since it uses less digits than its factorization.

2730273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233.

The product of its (nonzero) digits is 1764, while the sum is 24.

The square root of 2730273 is about 1652.3537756788. The cubic root of 2730273 is about 139.7661572477.

Subtracting 2730273 from its reverse (3720372), we obtain a palindrome (990099).

It can be divided in two parts, 2730 and 273, that added together give a palindrome (3003).

The spelling of 2730273 in words is "two million, seven hundred thirty thousand, two hundred seventy-three".