68513226 has 16 divisors (see below), whose sum is σ = 137366400. Its totient is φ = 22781088.

The previous prime is 68513209. The next prime is 68513257. The reversal of 68513226 is 62231586.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11506 + ... + 16413.

It is an arithmetic number, because the mean of its divisors is an integer number (8585400).

Almost surely, 2^68513226 is an apocalyptic number.

68513226 is an abundant number, since it is smaller than the sum of its proper divisors (68853174).

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

68513226 is a wasteful number, since it uses less digits than its factorization.

68513226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28333.

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

The square root of 68513226 is about 8277.2716519394. The cubic root of 68513226 is about 409.1898059530.

The spelling of 68513226 in words is "sixty-eight million, five hundred thirteen thousand, two hundred twenty-six".