2745684 has 24 divisors (see below), whose sum is σ = 7118720. Its totient is φ = 915192.

The previous prime is 2745661. The next prime is 2745697. The reversal of 2745684 is 4865472.

2745684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 2⁷ + 7³ + 4⁷ + 5³ + 6⁸ + 8³ + 4¹⁰ .

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 7 ways as a sum of consecutive naturals, for example, 12604 + ... + 12819.

2^2745684 is an apocalyptic number.

It is an amenable number.

2745684 is an abundant number, since it is smaller than the sum of its proper divisors (4373036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2745684 is a wasteful number, since it uses less digits than its factorization.

2745684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25436 (or 25428 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 2745684 is about 1657.0105612216. The cubic root of 2745684 is about 140.0286335991.

The spelling of 2745684 in words is "two million, seven hundred forty-five thousand, six hundred eighty-four".