67090009 has 8 divisors (see below), whose sum is σ = 78306048. Its totient is φ = 56281920.

The previous prime is 67089989. The next prime is 67090013. The reversal of 67090009 is 90009076.

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 67090009 - 2¹¹ = 67087961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67090099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101632 + ... + 102289.

It is an arithmetic number, because the mean of its divisors is an integer number (9788256).

Almost surely, 2^67090009 is an apocalyptic number.

It is an amenable number.

67090009 is a deficient number, since it is larger than the sum of its proper divisors (11216039).

67090009 is a wasteful number, since it uses less digits than its factorization.

67090009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203975.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 67090009 is about 8190.8491012837. The cubic root of 67090009 is about 406.3366072077.

The spelling of 67090009 in words is "sixty-seven million, ninety thousand, nine".