68018800 has 30 divisors (see below), whose sum is σ = 163416128. Its totient is φ = 27207360.

The previous prime is 68018779. The next prime is 68018809. The reversal of 68018800 is 881086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68018809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84624 + ... + 85423.

Almost surely, 2^68018800 is an apocalyptic number.

It is an amenable number.

68018800 is an abundant number, since it is smaller than the sum of its proper divisors (95397328).

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

68018800 is a wasteful number, since it uses less digits than its factorization.

68018800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170065 (or 170054 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 68018800 is about 8247.3510898955. The cubic root of 68018800 is about 408.2031219787.

Adding to 68018800 its reverse (881086), we get a palindrome (68899886).

The spelling of 68018800 in words is "sixty-eight million, eighteen thousand, eight hundred".