68438171 has 8 divisors (see below), whose sum is σ = 73262400. Its totient is φ = 63736200.

The previous prime is 68438159. The next prime is 68438177. The reversal of 68438171 is 17183486.

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-68438171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68438177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29405 + ... + 31646.

It is an arithmetic number, because the mean of its divisors is an integer number (9157800).

Almost surely, 2^68438171 is an apocalyptic number.

68438171 is a deficient number, since it is larger than the sum of its proper divisors (4824229).

68438171 is a wasteful number, since it uses less digits than its factorization.

68438171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61129.

The product of its digits is 32256, while the sum is 38.

The square root of 68438171 is about 8272.7366088858. The cubic root of 68438171 is about 409.0403313468.

The spelling of 68438171 in words is "sixty-eight million, four hundred thirty-eight thousand, one hundred seventy-one".