42337909 has 8 divisors (see below), whose sum is σ = 46004480. Its totient is φ = 38815200.

The previous prime is 42337907. The next prime is 42337921. The reversal of 42337909 is 90973324.

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 42337909 - 2¹ = 42337907 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 (42337901) 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 7 ways as a sum of consecutive naturals, for example, 35352 + ... + 36529.

It is an arithmetic number, because the mean of its divisors is an integer number (5750560).

Almost surely, 2^42337909 is an apocalyptic number.

It is an amenable number.

42337909 is a deficient number, since it is larger than the sum of its proper divisors (3666571).

42337909 is a wasteful number, since it uses less digits than its factorization.

42337909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71931.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 42337909 is about 6506.7587169035. The cubic root of 42337909 is about 348.5323824895.

The spelling of 42337909 in words is "forty-two million, three hundred thirty-seven thousand, nine hundred nine".