68471268 has 12 divisors (see below), whose sum is σ = 159766320. Its totient is φ = 22823752.

The previous prime is 68471267. The next prime is 68471279. The reversal of 68471268 is 86217486.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (68471267) 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 3 ways as a sum of consecutive naturals, for example, 2852958 + ... + 2852981.

It is an arithmetic number, because the mean of its divisors is an integer number (13313860).

Almost surely, 2^68471268 is an apocalyptic number.

It is an amenable number.

68471268 is an abundant number, since it is smaller than the sum of its proper divisors (91295052).

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

68471268 is a wasteful number, since it uses less digits than its factorization.

68471268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5705946 (or 5705944 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 68471268 is about 8274.7367329722. The cubic root of 68471268 is about 409.1062586205.

The spelling of 68471268 in words is "sixty-eight million, four hundred seventy-one thousand, two hundred sixty-eight".