3742909 has 4 divisors (see below), whose sum is σ = 3863680. Its totient is φ = 3622140.

The previous prime is 3742891. The next prime is 3742919. The reversal of 3742909 is 9092473.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3742909 - 2⁵ = 3742877 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 (3742919) 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 3 ways as a sum of consecutive naturals, for example, 60339 + ... + 60400.

It is an arithmetic number, because the mean of its divisors is an integer number (965920).

Almost surely, 2^3742909 is an apocalyptic number.

It is an amenable number.

3742909 is a deficient number, since it is larger than the sum of its proper divisors (120771).

3742909 is a wasteful number, since it uses less digits than its factorization.

3742909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120770.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 3742909 is about 1934.6599184353. The cubic root of 3742909 is about 155.2636373502.

The spelling of 3742909 in words is "three million, seven hundred forty-two thousand, nine hundred nine".