68331617 has 8 divisors (see below), whose sum is σ = 69854400. Its totient is φ = 66821104.

The previous prime is 68331589. The next prime is 68331623. The reversal of 68331617 is 71613386.

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 68331617 - 2¹² = 68327521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68331017) 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, 8684 + ... + 14562.

It is an arithmetic number, because the mean of its divisors is an integer number (8731800).

Almost surely, 2^68331617 is an apocalyptic number.

It is an amenable number.

68331617 is a deficient number, since it is larger than the sum of its proper divisors (1522783).

68331617 is a wasteful number, since it uses less digits than its factorization.

68331617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6135.

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

The square root of 68331617 is about 8266.2940305798. The cubic root of 68331617 is about 408.8279375804.

The spelling of 68331617 in words is "sixty-eight million, three hundred thirty-one thousand, six hundred seventeen".