68211800 has 24 divisors (see below), whose sum is σ = 158592900. Its totient is φ = 27284640.

The previous prime is 68211761. The next prime is 68211809. The reversal of 68211800 is 811286.

It is a self number, because there is not a number n which added to its sum of digits gives 68211800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68211809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 170330 + ... + 170729.

Almost surely, 2^68211800 is an apocalyptic number.

It is an amenable number.

68211800 is an abundant number, since it is smaller than the sum of its proper divisors (90381100).

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

68211800 is a wasteful number, since it uses less digits than its factorization.

68211800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341075 (or 341066 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 68211800 is about 8259.0435281575. The cubic root of 68211800 is about 408.5888428151.

The spelling of 68211800 in words is "sixty-eight million, two hundred eleven thousand, eight hundred".