2745733 has 4 divisors (see below), whose sum is σ = 2819980. Its totient is φ = 2671488.

The previous prime is 2745731. The next prime is 2745737. The reversal of 2745733 is 3375472.

2745733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2614689 + 131044 = 1617^2 + 362^2 .

It is a cyclic number.

It is not a de Polignac number, because 2745733 - 2¹ = 2745731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2745695 and 2745704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745731) by changing a digit.

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, 37068 + ... + 37141.

It is an arithmetic number, because the mean of its divisors is an integer number (704995).

2^2745733 is an apocalyptic number.

It is an amenable number.

2745733 is a deficient number, since it is larger than the sum of its proper divisors (74247).

2745733 is an equidigital number, since it uses as much as digits as its factorization.

2745733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74246.

The product of its digits is 17640, while the sum is 31.

The square root of 2745733 is about 1657.0253468188. The cubic root of 2745733 is about 140.0294665867.

It can be divided in two parts, 274573 and 3, that added together give a square (274576 = 524²).

The spelling of 2745733 in words is "two million, seven hundred forty-five thousand, seven hundred thirty-three".