2745850 has 12 divisors (see below), whose sum is σ = 5107374. Its totient is φ = 1098320.

The previous prime is 2745839. The next prime is 2745859. The reversal of 2745850 is 585472.

It can be written as a sum of positive squares in 3 ways, for example, as 1841449 + 904401 = 1357^2 + 951^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2745859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27409 + ... + 27508.

2^2745850 is an apocalyptic number.

2745850 is a deficient number, since it is larger than the sum of its proper divisors (2361524).

2745850 is a wasteful number, since it uses less digits than its factorization.

2745850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54929 (or 54924 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 2745850 is about 1657.0606506703. The cubic root of 2745850 is about 140.0314555170.

The spelling of 2745850 in words is "two million, seven hundred forty-five thousand, eight hundred fifty".