68073478038 has 48 divisors (see below), whose sum is σ = 152086137840. Its totient is φ = 21994769472.

The previous prime is 68073478009. The next prime is 68073478043. The reversal of 68073478038 is 83087437086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350673 + ... + 509036.

It is an arithmetic number, because the mean of its divisors is an integer number (3168461205).

Almost surely, 2^68073478038 is an apocalyptic number.

68073478038 is an abundant number, since it is smaller than the sum of its proper divisors (84012659802).

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

68073478038 is a wasteful number, since it uses less digits than its factorization.

68073478038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859853 (or 859850 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 68073478038 in words is "sixty-eight billion, seventy-three million, four hundred seventy-eight thousand, thirty-eight".