67104217 has 4 divisors (see below), whose sum is σ = 67242496. Its totient is φ = 66965940.

The previous prime is 67104161. The next prime is 67104227. The reversal of 67104217 is 71240176.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67104217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67104227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68409 + ... + 69382.

It is an arithmetic number, because the mean of its divisors is an integer number (16810624).

Almost surely, 2^67104217 is an apocalyptic number.

It is an amenable number.

67104217 is a deficient number, since it is larger than the sum of its proper divisors (138279).

67104217 is a wasteful number, since it uses less digits than its factorization.

67104217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138278.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 67104217 is about 8191.7163647187. The cubic root of 67104217 is about 406.3652891884.

The spelling of 67104217 in words is "sixty-seven million, one hundred four thousand, two hundred seventeen".