68992317 has 24 divisors (see below), whose sum is σ = 104447616. Its totient is φ = 45505152.

The previous prime is 68992291. The next prime is 68992321. The reversal of 68992317 is 71329986.

It is not a de Polignac number, because 68992317 - 2²³ = 60603709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68992327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22108 + ... + 25034.

It is an arithmetic number, because the mean of its divisors is an integer number (4351984).

Almost surely, 2^68992317 is an apocalyptic number.

It is an amenable number.

68992317 is a deficient number, since it is larger than the sum of its proper divisors (35455299).

68992317 is an equidigital number, since it uses as much as digits as its factorization.

68992317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039 (or 3027 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 68992317 is about 8306.1613877892. The cubic root of 68992317 is about 410.1413690568.

It can be divided in two parts, 6899 and 2317, that added together give a square (9216 = 96²).

The spelling of 68992317 in words is "sixty-eight million, nine hundred ninety-two thousand, three hundred seventeen".