2745628 has 12 divisors (see below), whose sum is σ = 4818240. Its totient is φ = 1368992.

The previous prime is 2745607. The next prime is 2745637. The reversal of 2745628 is 8265472.

2745628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2745628² = 15076946228768, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁸ + 7⁵ + 4 + 5⁴ + 6⁸ + 2¹⁹ + 8⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 2745593 and 2745602.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1200 + ... + 2632.

It is an arithmetic number, because the mean of its divisors is an integer number (401520).

2^2745628 is an apocalyptic number.

It is an amenable number.

2745628 is a deficient number, since it is larger than the sum of its proper divisors (2072612).

2745628 is a wasteful number, since it uses less digits than its factorization.

2745628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916 (or 1914 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 2745628 is about 1656.9936632347. The cubic root of 2745628 is about 140.0276816011.

The spelling of 2745628 in words is "two million, seven hundred forty-five thousand, six hundred twenty-eight".