68743403874 has 12 divisors (see below), whose sum is σ = 148944041766. Its totient is φ = 22914467952.

The previous prime is 68743403837. The next prime is 68743403903. The reversal of 68743403874 is 47830434786.

It can be written as a sum of positive squares in only one way, i.e., 68207157225 + 536246649 = 261165^2 + 23157^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68743403874.

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 in 5 ways as a sum of consecutive naturals, for example, 1909538979 + ... + 1909539014.

Almost surely, 2^68743403874 is an apocalyptic number.

68743403874 is an abundant number, since it is smaller than the sum of its proper divisors (80200637892).

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

68743403874 is a wasteful number, since it uses less digits than its factorization.

68743403874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819078001 (or 3819077998 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 54.

The spelling of 68743403874 in words is "sixty-eight billion, seven hundred forty-three million, four hundred three thousand, eight hundred seventy-four".