68933771 has 8 divisors (see below), whose sum is σ = 70424640. Its totient is φ = 67453768.

The previous prime is 68933747. The next prime is 68933779. The reversal of 68933771 is 17733986.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68933771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68933779) by changing a digit.

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, 10820 + ... + 15966.

It is an arithmetic number, because the mean of its divisors is an integer number (8803080).

Almost surely, 2^68933771 is an apocalyptic number.

68933771 is a deficient number, since it is larger than the sum of its proper divisors (1490869).

68933771 is a wasteful number, since it uses less digits than its factorization.

68933771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5433.

The product of its digits is 190512, while the sum is 44.

The square root of 68933771 is about 8302.6363885214. The cubic root of 68933771 is about 410.0253226478.

The spelling of 68933771 in words is "sixty-eight million, nine hundred thirty-three thousand, seven hundred seventy-one".