2729717 has 2 divisors, whose sum is σ = 2729718. Its totient is φ = 2729716.

The previous prime is 2729681. The next prime is 2729723. The reversal of 2729717 is 7179272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2337841 + 391876 = 1529^2 + 626^2 .

It is a cyclic number.

It is not a de Polignac number, because 2729717 - 2⁶ = 2729653 is a prime.

It is a Chen prime.

It is equal to p₁₉₈₆₄₇ and since 2729717 and 198647 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2729747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364858 + 1364859.

It is an arithmetic number, because the mean of its divisors is an integer number (1364859).

2^2729717 is an apocalyptic number.

It is an amenable number.

2729717 is a deficient number, since it is larger than the sum of its proper divisors (1).

2729717 is an equidigital number, since it uses as much as digits as its factorization.

2729717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12348, while the sum is 35.

The square root of 2729717 is about 1652.1855222704. The cubic root of 2729717 is about 139.7566691539.

The spelling of 2729717 in words is "two million, seven hundred twenty-nine thousand, seven hundred seventeen".