2740565 has 8 divisors (see below), whose sum is σ = 3431808. Its totient is φ = 2097040.

The previous prime is 2740559. The next prime is 2740567. The reversal of 2740565 is 5650472.

2740565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2740565 - 2¹⁴ = 2724181 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 (2740567) 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 in 7 ways as a sum of consecutive naturals, for example, 11801 + ... + 12030.

It is an arithmetic number, because the mean of its divisors is an integer number (428976).

2^2740565 is an apocalyptic number.

It is an amenable number.

2740565 is a deficient number, since it is larger than the sum of its proper divisors (691243).

2740565 is a wasteful number, since it uses less digits than its factorization.

2740565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23859.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2740565 is about 1655.4651914190. The cubic root of 2740565 is about 139.9415572392.

The spelling of 2740565 in words is "two million, seven hundred forty thousand, five hundred sixty-five".