2745868 has 12 divisors (see below), whose sum is σ = 4817232. Its totient is φ = 1369520.

The previous prime is 2745863. The next prime is 2745907. The reversal of 2745868 is 8685472.

It is a self number, because there is not a number n which added to its sum of digits gives 2745868.

It is not an unprimeable number, because it can be changed into a prime (2745863) 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, 2058 + ... + 3118.

It is an arithmetic number, because the mean of its divisors is an integer number (401436).

2^2745868 is an apocalyptic number.

It is an amenable number.

2745868 is a deficient number, since it is larger than the sum of its proper divisors (2071364).

2745868 is a wasteful number, since it uses less digits than its factorization.

2745868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712 (or 1710 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 2745868 is about 1657.0660819654. The cubic root of 2745868 is about 140.0317615013.

The spelling of 2745868 in words is "two million, seven hundred forty-five thousand, eight hundred sixty-eight".