3742509 has 8 divisors (see below), whose sum is σ = 5019552. Its totient is φ = 2480240.

The previous prime is 3742493. The next prime is 3742523. The reversal of 3742509 is 9052473.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3742509 - 2⁴ = 3742493 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 (3742579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3087 + ... + 4124.

It is an arithmetic number, because the mean of its divisors is an integer number (627444).

Almost surely, 2^3742509 is an apocalyptic number.

It is an amenable number.

3742509 is a deficient number, since it is larger than the sum of its proper divisors (1277043).

3742509 is a wasteful number, since it uses less digits than its factorization.

3742509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7387.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 3742509 is about 1934.5565383312. The cubic root of 3742509 is about 155.2581062096.

The spelling of 3742509 in words is "three million, seven hundred forty-two thousand, five hundred nine".