68871726 has 192 divisors, whose sum is σ = 204871680. Its totient is φ = 16174080.

The previous prime is 68871707. The next prime is 68871731. The reversal of 68871726 is 62717886.

It is a Curzon number.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 871755 + ... + 871833.

It is an arithmetic number, because the mean of its divisors is an integer number (1067040).

Almost surely, 2^68871726 is an apocalyptic number.

68871726 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 68871726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102435840).

68871726 is an abundant number, since it is smaller than the sum of its proper divisors (135999954).

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

68871726 is a wasteful number, since it uses less digits than its factorization.

68871726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 156 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 68871726 is about 8298.8990836134. The cubic root of 68871726 is about 409.9022689922.

The spelling of 68871726 in words is "sixty-eight million, eight hundred seventy-one thousand, seven hundred twenty-six".