68047071 has 8 divisors (see below), whose sum is σ = 92441520. Its totient is φ = 44508672.

The previous prime is 68047069. The next prime is 68047081. The reversal of 68047071 is 17074086.

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

It is not a de Polignac number, because 68047071 - 2¹ = 68047069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68047051) 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, 213826 + ... + 214143.

It is an arithmetic number, because the mean of its divisors is an integer number (11555190).

Almost surely, 2^68047071 is an apocalyptic number.

68047071 is a deficient number, since it is larger than the sum of its proper divisors (24394449).

68047071 is a wasteful number, since it uses less digits than its factorization.

68047071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428025.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 68047071 is about 8249.0648560913. The cubic root of 68047071 is about 408.2596686588.

The spelling of 68047071 in words is "sixty-eight million, forty-seven thousand, seventy-one".