67042089 has 12 divisors (see below), whose sum is σ = 101935600. Its totient is φ = 42342264.

The previous prime is 67042081. The next prime is 67042091. The reversal of 67042089 is 98024076.

It is not a de Polignac number, because 67042089 - 2³ = 67042081 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (67042081) 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 11 ways as a sum of consecutive naturals, for example, 195859 + ... + 196200.

Almost surely, 2^67042089 is an apocalyptic number.

It is an amenable number.

67042089 is a deficient number, since it is larger than the sum of its proper divisors (34893511).

67042089 is a wasteful number, since it uses less digits than its factorization.

67042089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392084 (or 392081 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 67042089 is about 8187.9233631001. The cubic root of 67042089 is about 406.2398402509.

The spelling of 67042089 in words is "sixty-seven million, forty-two thousand, eighty-nine".