2740273 has 4 divisors (see below), whose sum is σ = 2775040. Its totient is φ = 2705508.

The previous prime is 2740267. The next prime is 2740291. The reversal of 2740273 is 3720472.

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 2740273 - 2⁹ = 2739761 is a prime.

It is a super-2 number, since 2×2740273² = 15018192229058, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁹ + 7⁵ + 4⁸ + 0 + 2²¹ + 7⁵ + 3⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2740223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17265 + ... + 17422.

It is an arithmetic number, because the mean of its divisors is an integer number (693760).

2^2740273 is an apocalyptic number.

It is an amenable number.

2740273 is a deficient number, since it is larger than the sum of its proper divisors (34767).

2740273 is an equidigital number, since it uses as much as digits as its factorization.

2740273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34766.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 2740273 is about 1655.3769963365. The cubic root of 2740273 is about 139.9365869276.

The spelling of 2740273 in words is "two million, seven hundred forty thousand, two hundred seventy-three".