2745650 has 24 divisors (see below), whose sum is σ = 5172660. Its totient is φ = 1084160.

The previous prime is 2745643. The next prime is 2745661. The reversal of 2745650 is 565472.

2745650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 1657²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 78961 + 2666689 = 281^2 + 1633^2 .

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

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4142 + ... + 4758.

2^2745650 is an apocalyptic number.

2745650 is a deficient number, since it is larger than the sum of its proper divisors (2427010).

2745650 is a wasteful number, since it uses less digits than its factorization.

2745650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 713 counting only the distinct ones).

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

The square root of 2745650 is about 1657.0003017501. Note that the first 3 decimals coincide. The cubic root of 2745650 is about 140.0280556019.

The spelling of 2745650 in words is "two million, seven hundred forty-five thousand, six hundred fifty".