68917538 has 8 divisors (see below), whose sum is σ = 103454400. Its totient is φ = 34432740.

The previous prime is 68917529. The next prime is 68917549. The reversal of 68917538 is 83571986.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 68917492 and 68917501.

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 3 ways as a sum of consecutive naturals, for example, 9518 + ... + 15113.

It is an arithmetic number, because the mean of its divisors is an integer number (12931800).

Almost surely, 2^68917538 is an apocalyptic number.

68917538 is a deficient number, since it is larger than the sum of its proper divisors (34536862).

68917538 is a wasteful number, since it uses less digits than its factorization.

68917538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26032.

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

The square root of 68917538 is about 8301.6587499126. The cubic root of 68917538 is about 409.9931349237.

The spelling of 68917538 in words is "sixty-eight million, nine hundred seventeen thousand, five hundred thirty-eight".