3742743 has 4 divisors (see below), whose sum is σ = 4990328. Its totient is φ = 2495160.

The previous prime is 3742741. The next prime is 3742789. The reversal of 3742743 is 3472473.

3742743 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, and also an emirpimes, since its reverse is a distinct semiprime: 3472473 = 3 ⋅1157491.

It is not a de Polignac number, because 3742743 - 2¹ = 3742741 is a prime.

It is a D-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 3742743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3742741) 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, 623788 + ... + 623793.

It is an arithmetic number, because the mean of its divisors is an integer number (1247582).

Almost surely, 2^3742743 is an apocalyptic number.

3742743 is a deficient number, since it is larger than the sum of its proper divisors (1247585).

3742743 is a wasteful number, since it uses less digits than its factorization.

3742743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247584.

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

The square root of 3742743 is about 1934.6170163627. The cubic root of 3742743 is about 155.2613419747.

The spelling of 3742743 in words is "three million, seven hundred forty-two thousand, seven hundred forty-three".