68818750074 has 12 divisors (see below), whose sum is σ = 149107291866. Its totient is φ = 22939583352.

The previous prime is 68818750069. The next prime is 68818750081. The reversal of 68818750074 is 47005781886.

It is a happy number.

68818750074 is a `hidden beast` number, since 68 + 8 + 1 + 8 + 7 + 500 + 74 = 666.

It can be written as a sum of positive squares in only one way, i.e., 53612160849 + 15206589225 = 231543^2 + 123315^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68818750074.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1911631929 + ... + 1911631964.

Almost surely, 2^68818750074 is an apocalyptic number.

68818750074 is an abundant number, since it is smaller than the sum of its proper divisors (80288541792).

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

68818750074 is a wasteful number, since it uses less digits than its factorization.

68818750074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823263901 (or 3823263898 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 54.

The spelling of 68818750074 in words is "sixty-eight billion, eight hundred eighteen million, seven hundred fifty thousand, seventy-four".