3747243 has 16 divisors (see below), whose sum is σ = 5148416. Its totient is φ = 2423520.

The previous prime is 3747241. The next prime is 3747299. The reversal of 3747243 is 3427473.

It is not a de Polignac number, because 3747243 - 2¹ = 3747241 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3747243.

It is not an unprimeable number, because it can be changed into a prime (3747241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20613 + ... + 20793.

It is an arithmetic number, because the mean of its divisors is an integer number (321776).

Almost surely, 2^3747243 is an apocalyptic number.

3747243 is a deficient number, since it is larger than the sum of its proper divisors (1401173).

3747243 is a wasteful number, since it uses less digits than its factorization.

3747243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354.

The product of its digits is 14112, while the sum is 30.

The square root of 3747243 is about 1935.7796878777. The cubic root of 3747243 is about 155.3235420076.

The spelling of 3747243 in words is "three million, seven hundred forty-seven thousand, two hundred forty-three".