2740417 has 4 divisors (see below), whose sum is σ = 2901636. Its totient is φ = 2579200.

The previous prime is 2740403. The next prime is 2740421. The reversal of 2740417 is 7140472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2509056 + 231361 = 1584^2 + 481^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2740417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2740391 and 2740400.

It is not an unprimeable number, because it can be changed into a prime (2740477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80584 + ... + 80617.

It is an arithmetic number, because the mean of its divisors is an integer number (725409).

2^2740417 is an apocalyptic number.

It is an amenable number.

2740417 is a deficient number, since it is larger than the sum of its proper divisors (161219).

2740417 is a wasteful number, since it uses less digits than its factorization.

2740417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161218.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 2740417 is about 1655.4204903891. The cubic root of 2740417 is about 139.9390380843.

Adding to 2740417 its reverse (7140472), we get a palindrome (9880889).

The spelling of 2740417 in words is "two million, seven hundred forty thousand, four hundred seventeen".