68511200 has 36 divisors (see below), whose sum is σ = 167254920. Its totient is φ = 27404160.

The previous prime is 68511199. The next prime is 68511211. The reversal of 68511200 is 211586.

It is a congruent number.

It is an unprimeable number.

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, 42020 + ... + 43619.

It is an arithmetic number, because the mean of its divisors is an integer number (4645970).

Almost surely, 2^68511200 is an apocalyptic number.

It is an amenable number.

68511200 is an abundant number, since it is smaller than the sum of its proper divisors (98743720).

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

68511200 is a wasteful number, since it uses less digits than its factorization.

68511200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85659 (or 85646 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 68511200 is about 8277.1492677129. The cubic root of 68511200 is about 409.1857725385.

Adding to 68511200 its reverse (211586), we get a palindrome (68722786).

The spelling of 68511200 in words is "sixty-eight million, five hundred eleven thousand, two hundred".