68306317 has 8 divisors (see below), whose sum is σ = 70036736. Its totient is φ = 66582432.

The previous prime is 68306309. The next prime is 68306321. The reversal of 68306317 is 71360386.

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 68306317 - 2³ = 68306309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68306327) 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, 24793 + ... + 27409.

It is an arithmetic number, because the mean of its divisors is an integer number (8754592).

Almost surely, 2^68306317 is an apocalyptic number.

It is an amenable number.

68306317 is a deficient number, since it is larger than the sum of its proper divisors (1730419).

68306317 is a wasteful number, since it uses less digits than its factorization.

68306317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 68306317 is about 8264.7635779858. The cubic root of 68306317 is about 408.7774747342. Note that the first 3 decimals are identical.

The spelling of 68306317 in words is "sixty-eight million, three hundred six thousand, three hundred seventeen".