217068673 has 8 divisors (see below), whose sum is σ = 228777120. Its totient is φ = 205388640.

The previous prime is 217068647. The next prime is 217068721. The reversal of 217068673 is 376860712.

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 217068673 - 2²¹ = 214971521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (217068623) 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 7 ways as a sum of consecutive naturals, for example, 9618 + ... + 22948.

It is an arithmetic number, because the mean of its divisors is an integer number (28597140).

Almost surely, 2^217068673 is an apocalyptic number.

It is an amenable number.

217068673 is a deficient number, since it is larger than the sum of its proper divisors (11708447).

217068673 is a wasteful number, since it uses less digits than its factorization.

217068673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14207.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 217068673 is about 14733.2505917737. The cubic root of 217068673 is about 600.9878846177.

The spelling of 217068673 in words is "two hundred seventeen million, sixty-eight thousand, six hundred seventy-three".