68316468 has 24 divisors (see below), whose sum is σ = 173896800. Its totient is φ = 20701920.

The previous prime is 68316461. The next prime is 68316487. The reversal of 68316468 is 86461386.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68316461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258643 + ... + 258906.

It is an arithmetic number, because the mean of its divisors is an integer number (7245700).

Almost surely, 2^68316468 is an apocalyptic number.

It is an amenable number.

68316468 is an abundant number, since it is smaller than the sum of its proper divisors (105580332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68316468 is a wasteful number, since it uses less digits than its factorization.

68316468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517567 (or 517565 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 68316468 is about 8265.3776683222. The cubic root of 68316468 is about 408.7977232012.

The spelling of 68316468 in words is "sixty-eight million, three hundred sixteen thousand, four hundred sixty-eight".