68319875 has 16 divisors (see below), whose sum is σ = 91824096. Its totient is φ = 50450400.

The previous prime is 68319869. The next prime is 68319883. The reversal of 68319875 is 57891386.

It is a happy number.

It is not a de Polignac number, because 68319875 - 2²⁰ = 67271299 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19397 + ... + 22646.

It is an arithmetic number, because the mean of its divisors is an integer number (5739006).

Almost surely, 2^68319875 is an apocalyptic number.

68319875 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

68319875 is a deficient number, since it is larger than the sum of its proper divisors (23504221).

68319875 is a wasteful number, since it uses less digits than its factorization.

68319875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42071 (or 42061 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The square root of 68319875 is about 8265.5837664378. The cubic root of 68319875 is about 408.8045187842.

The spelling of 68319875 in words is "sixty-eight million, three hundred nineteen thousand, eight hundred seventy-five".