2740817 has 2 divisors, whose sum is σ = 2740818. Its totient is φ = 2740816.

The previous prime is 2740811. The next prime is 2740831. The reversal of 2740817 is 7180472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2660161 + 80656 = 1631^2 + 284^2 .

It is a cyclic number.

It is not a de Polignac number, because 2740817 - 2¹⁸ = 2478673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2740817.

It is not a weakly prime, because it can be changed into another prime (2740811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1370408 + 1370409.

It is an arithmetic number, because the mean of its divisors is an integer number (1370409).

2^2740817 is an apocalyptic number.

It is an amenable number.

2740817 is a deficient number, since it is larger than the sum of its proper divisors (1).

2740817 is an equidigital number, since it uses as much as digits as its factorization.

2740817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 2740817 is about 1655.5413012063. The cubic root of 2740817 is about 139.9458464024.

The spelling of 2740817 in words is "two million, seven hundred forty thousand, eight hundred seventeen".