2740717 has 6 divisors (see below), whose sum is σ = 3188238. Its totient is φ = 2349144.

The previous prime is 2740667. The next prime is 2740721. The reversal of 2740717 is 7170472.

It can be written as a sum of positive squares in only one way, i.e., 1999396 + 741321 = 1414^2 + 861^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2740717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740217) 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 in 5 ways as a sum of consecutive naturals, for example, 27918 + ... + 28015.

It is an arithmetic number, because the mean of its divisors is an integer number (531373).

2^2740717 is an apocalyptic number.

It is an amenable number.

2740717 is a deficient number, since it is larger than the sum of its proper divisors (447521).

2740717 is an equidigital number, since it uses as much as digits as its factorization.

2740717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55947 (or 55940 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 28.

The square root of 2740717 is about 1655.5110993285. The cubic root of 2740717 is about 139.9441443850.

The spelling of 2740717 in words is "two million, seven hundred forty thousand, seven hundred seventeen".