68468319 has 12 divisors (see below), whose sum is σ = 101311392. Its totient is φ = 44532000.

The previous prime is 68468311. The next prime is 68468321. The reversal of 68468319 is 91386486.

It is not a de Polignac number, because 68468319 - 2³ = 68468311 is a prime.

It is a super-2 number, since 2×68468319² = 9375821413371522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68468311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92407 + ... + 93144.

It is an arithmetic number, because the mean of its divisors is an integer number (8442616).

Almost surely, 2^68468319 is an apocalyptic number.

68468319 is a deficient number, since it is larger than the sum of its proper divisors (32843073).

68468319 is a wasteful number, since it uses less digits than its factorization.

68468319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185598 (or 185595 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 68468319 is about 8274.5585380732. The cubic root of 68468319 is about 409.1003852485.

The spelling of 68468319 in words is "sixty-eight million, four hundred sixty-eight thousand, three hundred nineteen".