2728373 has 2 divisors, whose sum is σ = 2728374. Its totient is φ = 2728372.

The previous prime is 2728357. The next prime is 2728409. The reversal of 2728373 is 3738272.

It is a happy number.

2728373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2582449 + 145924 = 1607^2 + 382^2 .

It is a cyclic number.

It is not a de Polignac number, because 2728373 - 2⁴ = 2728357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2728073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364186 + 1364187.

It is an arithmetic number, because the mean of its divisors is an integer number (1364187).

2^2728373 is an apocalyptic number.

It is an amenable number.

2728373 is a deficient number, since it is larger than the sum of its proper divisors (1).

2728373 is an equidigital number, since it uses as much as digits as its factorization.

2728373 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 2728373 is about 1651.7787382092. The cubic root of 2728373 is about 139.7337285830.

The spelling of 2728373 in words is "two million, seven hundred twenty-eight thousand, three hundred seventy-three".