68433218 has 8 divisors (see below), whose sum is σ = 117314112. Its totient is φ = 29328516.

The previous prime is 68433217. The next prime is 68433259. The reversal of 68433218 is 81233486.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68433217) 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, 2444030 + ... + 2444057.

It is an arithmetic number, because the mean of its divisors is an integer number (14664264).

Almost surely, 2^68433218 is an apocalyptic number.

68433218 is a deficient number, since it is larger than the sum of its proper divisors (48880894).

68433218 is a wasteful number, since it uses less digits than its factorization.

68433218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4888096.

The product of its digits is 27648, while the sum is 35.

The square root of 68433218 is about 8272.4372466644. The cubic root of 68433218 is about 409.0304634344.

The spelling of 68433218 in words is "sixty-eight million, four hundred thirty-three thousand, two hundred eighteen".