67387089 has 32 divisors (see below), whose sum is σ = 112951296. Its totient is φ = 34715520.

The previous prime is 67387081. The next prime is 67387109. The reversal of 67387089 is 98078376.

It is not a de Polignac number, because 67387089 - 2³ = 67387081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67387081) 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 31 ways as a sum of consecutive naturals, for example, 28189 + ... + 30485.

It is an arithmetic number, because the mean of its divisors is an integer number (3529728).

Almost surely, 2^67387089 is an apocalyptic number.

It is an amenable number.

67387089 is a deficient number, since it is larger than the sum of its proper divisors (45564207).

67387089 is a wasteful number, since it uses less digits than its factorization.

67387089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 67387089 is about 8208.9639419357. The cubic root of 67387089 is about 406.9354879267.

The spelling of 67387089 in words is "sixty-seven million, three hundred eighty-seven thousand, eighty-nine".