2738273 has 2 divisors, whose sum is σ = 2738274. Its totient is φ = 2738272.

The previous prime is 2738269. The next prime is 2738279. The reversal of 2738273 is 3728372.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1456849 + 1281424 = 1207^2 + 1132^2 .

It is a cyclic number.

It is not a de Polignac number, because 2738273 - 2² = 2738269 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2738279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1369136 + 1369137.

It is an arithmetic number, because the mean of its divisors is an integer number (1369137).

2^2738273 is an apocalyptic number.

It is an amenable number.

2738273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2738273 is an equidigital number, since it uses as much as digits as its factorization.

2738273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 32.

The square root of 2738273 is about 1654.7727940717. The cubic root of 2738273 is about 139.9025342024.

Subtracting 2738273 from its reverse (3728372), we obtain a palindrome (990099).

The spelling of 2738273 in words is "two million, seven hundred thirty-eight thousand, two hundred seventy-three".