68133718 has 8 divisors (see below), whose sum is σ = 104693400. Its totient is φ = 33235920.

The previous prime is 68133679. The next prime is 68133721. The reversal of 68133718 is 81733186.

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

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 415368 + ... + 415531.

It is an arithmetic number, because the mean of its divisors is an integer number (13086675).

Almost surely, 2^68133718 is an apocalyptic number.

68133718 is a deficient number, since it is larger than the sum of its proper divisors (36559682).

68133718 is a wasteful number, since it uses less digits than its factorization.

68133718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830942.

The product of its digits is 24192, while the sum is 37.

The square root of 68133718 is about 8254.3151139268. The cubic root of 68133718 is about 408.4328795016.

The spelling of 68133718 in words is "sixty-eight million, one hundred thirty-three thousand, seven hundred eighteen".