3742005 has 16 divisors (see below), whose sum is σ = 6056640. Its totient is φ = 1972608.

The previous prime is 3741977. The next prime is 3742009. The reversal of 3742005 is 5002473.

It is a happy number.

3742005 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 3742005 - 2⁵ = 3741973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3742009) 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 15 ways as a sum of consecutive naturals, for example, 67 + ... + 2736.

It is an arithmetic number, because the mean of its divisors is an integer number (378540).

Almost surely, 2^3742005 is an apocalyptic number.

It is an amenable number.

3742005 is a deficient number, since it is larger than the sum of its proper divisors (2314635).

3742005 is a wasteful number, since it uses less digits than its factorization.

3742005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 3742005 is about 1934.4262715338. The cubic root of 3742005 is about 155.2511364113.

Adding to 3742005 its reverse (5002473), we get a palindrome (8744478).

The spelling of 3742005 in words is "three million, seven hundred forty-two thousand, five".