3742042 has 4 divisors (see below), whose sum is σ = 5613066. Its totient is φ = 1871020.

The previous prime is 3742033. The next prime is 3742043. The reversal of 3742042 is 2402473.

3742042 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: 2402473 = 337 ⋅7129.

It can be written as a sum of positive squares in only one way, i.e., 3207681 + 534361 = 1791^2 + 731^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3742043) 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 as a sum of consecutive naturals, namely, 935509 + ... + 935512.

Almost surely, 2^3742042 is an apocalyptic number.

3742042 is a deficient number, since it is larger than the sum of its proper divisors (1871024).

3742042 is a wasteful number, since it uses less digits than its factorization.

3742042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871023.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 3742042 is about 1934.4358350692. The cubic root of 3742042 is about 155.2516481043.

The spelling of 3742042 in words is "three million, seven hundred forty-two thousand, forty-two".