68359471 has 2 divisors, whose sum is σ = 68359472. Its totient is φ = 68359470.

The previous prime is 68359469. The next prime is 68359481. The reversal of 68359471 is 17495386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68359471 - 2¹ = 68359469 is a prime.

It is a super-3 number, since 3×68359471³ (a number of 24 digits) contains 333 as substring.

Together with 68359469, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68359441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34179735 + 34179736.

It is an arithmetic number, because the mean of its divisors is an integer number (34179736).

Almost surely, 2^68359471 is an apocalyptic number.

68359471 is a deficient number, since it is larger than the sum of its proper divisors (1).

68359471 is an equidigital number, since it uses as much as digits as its factorization.

68359471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 68359471 is about 8267.9786526091. The cubic root of 68359471 is about 408.8834801776.

The spelling of 68359471 in words is "sixty-eight million, three hundred fifty-nine thousand, four hundred seventy-one".