68356212 has 12 divisors (see below), whose sum is σ = 159497856. Its totient is φ = 22785400.

The previous prime is 68356181. The next prime is 68356213. The reversal of 68356212 is 21265386.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68356213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2848164 + ... + 2848187.

It is an arithmetic number, because the mean of its divisors is an integer number (13291488).

Almost surely, 2^68356212 is an apocalyptic number.

It is an amenable number.

68356212 is an abundant number, since it is smaller than the sum of its proper divisors (91141644).

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

68356212 is a wasteful number, since it uses less digits than its factorization.

68356212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5696358 (or 5696356 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 68356212 is about 8267.7815646037. The cubic root of 68356212 is about 408.8769823097.

The spelling of 68356212 in words is "sixty-eight million, three hundred fifty-six thousand, two hundred twelve".