68178048 has 64 divisors (see below), whose sum is σ = 185354400. Its totient is φ = 22192128.

The previous prime is 68178031. The next prime is 68178113. The reversal of 68178048 is 84087186.

It is a Cunningham number, because it is equal to 8257²-1.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14448 + ... + 18576.

Almost surely, 2^68178048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68178048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92677200).

68178048 is an abundant number, since it is smaller than the sum of its proper divisors (117176352).

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

68178048 is a wasteful number, since it uses less digits than its factorization.

68178048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189 (or 4177 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 68178048 is about 8256.9999394453. Note that the first 4 decimals coincide. The cubic root of 68178048 is about 408.5214401768.

The spelling of 68178048 in words is "sixty-eight million, one hundred seventy-eight thousand, forty-eight".