68190800 has 60 divisors (see below), whose sum is σ = 164769216. Its totient is φ = 27120000.

The previous prime is 68190797. The next prime is 68190823. The reversal of 68190800 is 809186.

It is a congruent number.

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, 90425 + ... + 91175.

Almost surely, 2^68190800 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 68190800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82384608).

68190800 is an abundant number, since it is smaller than the sum of its proper divisors (96578416).

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

68190800 is a wasteful number, since it uses less digits than its factorization.

68190800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 68190800 is about 8257.7720966372. The cubic root of 68190800 is about 408.5469084950.

Adding to 68190800 its reverse (809186), we get a palindrome (68999986).

The spelling of 68190800 in words is "sixty-eight million, one hundred ninety thousand, eight hundred".