2729173 has 2 divisors, whose sum is σ = 2729174. Its totient is φ = 2729172.

The previous prime is 2729159. The next prime is 2729183. The reversal of 2729173 is 3719272.

2729173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2053489 + 675684 = 1433^2 + 822^2 .

2729173 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 2729173 - 2¹³ = 2720981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2729113) 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, 1364586 + 1364587.

It is an arithmetic number, because the mean of its divisors is an integer number (1364587).

2^2729173 is an apocalyptic number.

It is an amenable number.

2729173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2729173 is an equidigital number, since it uses as much as digits as its factorization.

2729173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292, while the sum is 31.

The square root of 2729173 is about 1652.0208836452. The cubic root of 2729173 is about 139.7473845920.

Subtracting 2729173 from its reverse (3719272), we obtain a palindrome (990099).

The spelling of 2729173 in words is "two million, seven hundred twenty-nine thousand, one hundred seventy-three".