68750336042 has 4 divisors (see below), whose sum is σ = 103125504066. Its totient is φ = 34375168020.

The previous prime is 68750336027. The next prime is 68750336113. The reversal of 68750336042 is 24063305786.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42106629601 + 26643706441 = 205199^2 + 163229^2 .

It is a super-3 number, since 3×68750336042³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68750335984 and 68750336002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17187584009 + ... + 17187584012.

Almost surely, 2^68750336042 is an apocalyptic number.

68750336042 is a deficient number, since it is larger than the sum of its proper divisors (34375168024).

68750336042 is a wasteful number, since it uses less digits than its factorization.

68750336042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34375168023.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 68750336042 in words is "sixty-eight billion, seven hundred fifty million, three hundred thirty-six thousand, forty-two".