67320089 has 8 divisors (see below), whose sum is σ = 68854632. Its totient is φ = 65802240.

The previous prime is 67320083. The next prime is 67320091. The reversal of 67320089 is 98002376.

It can be written as a sum of positive squares in 4 ways, for example, as 80089 + 67240000 = 283^2 + 8200^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67320089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67320083) 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, 4169 + ... + 12329.

It is an arithmetic number, because the mean of its divisors is an integer number (8606829).

Almost surely, 2^67320089 is an apocalyptic number.

It is an amenable number.

67320089 is a deficient number, since it is larger than the sum of its proper divisors (1534543).

67320089 is a wasteful number, since it uses less digits than its factorization.

67320089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8347.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 67320089 is about 8204.8820223084. The cubic root of 67320089 is about 406.8005772234.

The spelling of 67320089 in words is "sixty-seven million, three hundred twenty thousand, eighty-nine".