3721743 has 6 divisors (see below), whose sum is σ = 5375864. Its totient is φ = 2481156.

The previous prime is 3721741. The next prime is 3721771. The reversal of 3721743 is 3471273.

3721743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3721743 - 2¹ = 3721741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3721741) 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 5 ways as a sum of consecutive naturals, for example, 206755 + ... + 206772.

Almost surely, 2^3721743 is an apocalyptic number.

3721743 is a deficient number, since it is larger than the sum of its proper divisors (1654121).

3721743 is a wasteful number, since it uses less digits than its factorization.

3721743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413533 (or 413530 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 3721743 is about 1929.1819509834. The cubic root of 3721743 is about 154.9704140548.

The spelling of 3721743 in words is "three million, seven hundred twenty-one thousand, seven hundred forty-three".