42316009 has 8 divisors (see below), whose sum is σ = 44871840. Its totient is φ = 39767616.

The previous prime is 42316007. The next prime is 42316037. The reversal of 42316009 is 90061324.

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 42316009 - 2¹ = 42316007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42316007) 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, 13602 + ... + 16420.

It is an arithmetic number, because the mean of its divisors is an integer number (5608980).

Almost surely, 2^42316009 is an apocalyptic number.

It is an amenable number.

42316009 is a deficient number, since it is larger than the sum of its proper divisors (2555831).

42316009 is a wasteful number, since it uses less digits than its factorization.

42316009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 42316009 is about 6505.0756336879. The cubic root of 42316009 is about 348.4722773669.

The spelling of 42316009 in words is "forty-two million, three hundred sixteen thousand, nine".