68100912 has 200 divisors, whose sum is σ = 228480912. Its totient is φ = 19353600.

The previous prime is 68100881. The next prime is 68100913. The reversal of 68100912 is 21900186.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (68100913) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 242212 + ... + 242492.

Almost surely, 2^68100912 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 68100912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114240456).

68100912 is an abundant number, since it is smaller than the sum of its proper divisors (160380000).

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

68100912 is a wasteful number, since it uses less digits than its factorization.

68100912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 68100912 is about 8252.3276716330. The cubic root of 68100912 is about 408.3673162703.

The spelling of 68100912 in words is "sixty-eight million, one hundred thousand, nine hundred twelve".