68872317 has 8 divisors (see below), whose sum is σ = 91881024. Its totient is φ = 45889248.

The previous prime is 68872313. The next prime is 68872319. The reversal of 68872317 is 71327886.

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

It is not a de Polignac number, because 68872317 - 2² = 68872313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68872313) 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, 1128 + ... + 11790.

It is an arithmetic number, because the mean of its divisors is an integer number (11485128).

Almost surely, 2^68872317 is an apocalyptic number.

It is an amenable number.

68872317 is a deficient number, since it is larger than the sum of its proper divisors (23008707).

68872317 is a wasteful number, since it uses less digits than its factorization.

68872317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12819.

The product of its digits is 112896, while the sum is 42.

The square root of 68872317 is about 8298.9346906696. The cubic root of 68872317 is about 409.9034414692.

The spelling of 68872317 in words is "sixty-eight million, eight hundred seventy-two thousand, three hundred seventeen".