68738638024 has 32 divisors (see below), whose sum is σ = 147439797120. Its totient is φ = 29430873216.

The previous prime is 68738637997. The next prime is 68738638043. The reversal of 68738638024 is 42083683786.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536284 + ... + 651979.

It is an arithmetic number, because the mean of its divisors is an integer number (4607493660).

Almost surely, 2^68738638024 is an apocalyptic number.

It is an amenable number.

68738638024 is an abundant number, since it is smaller than the sum of its proper divisors (78701159096).

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

68738638024 is a wasteful number, since it uses less digits than its factorization.

68738638024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189309 (or 1189305 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 55.

It can be divided in two parts, 687386 and 38024, that added together give a triangular number (725410 = T₁₂₀₄).

The spelling of 68738638024 in words is "sixty-eight billion, seven hundred thirty-eight million, six hundred thirty-eight thousand, twenty-four".