4045743 has 24 divisors (see below), whose sum is σ = 6362720. Its totient is φ = 2462400.

The previous prime is 4045721. The next prime is 4045763. The reversal of 4045743 is 3475404.

It is not a de Polignac number, because 4045743 - 2¹⁴ = 4029359 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17553 + ... + 17781.

Almost surely, 2^4045743 is an apocalyptic number.

4045743 is a deficient number, since it is larger than the sum of its proper divisors (2316977).

4045743 is a wasteful number, since it uses less digits than its factorization.

4045743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 4045743 is about 2011.4032415207. The cubic root of 4045743 is about 159.3429171868.

The spelling of 4045743 in words is "four million, forty-five thousand, seven hundred forty-three".