68200128 has 84 divisors (see below), whose sum is σ = 196931280. Its totient is φ = 22565376.

The previous prime is 68200109. The next prime is 68200157. The reversal of 68200128 is 82100286.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95838 + ... + 96546.

It is an arithmetic number, because the mean of its divisors is an integer number (2344420).

Almost surely, 2^68200128 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 68200128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98465640).

68200128 is an abundant number, since it is smaller than the sum of its proper divisors (128731152).

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

68200128 is a wasteful number, since it uses less digits than its factorization.

68200128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 68200128 is about 8258.3368785731. The cubic root of 68200128 is about 408.5655363832.

The spelling of 68200128 in words is "sixty-eight million, two hundred thousand, one hundred twenty-eight".