68824471 has 2 divisors, whose sum is σ = 68824472. Its totient is φ = 68824470.

The previous prime is 68824463. The next prime is 68824493. The reversal of 68824471 is 17442886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68824471 - 2³ = 68824463 is a prime.

It is a super-3 number, since 3×68824471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68824411) 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 as a sum of consecutive naturals, namely, 34412235 + 34412236.

It is an arithmetic number, because the mean of its divisors is an integer number (34412236).

Almost surely, 2^68824471 is an apocalyptic number.

68824471 is a deficient number, since it is larger than the sum of its proper divisors (1).

68824471 is an equidigital number, since it uses as much as digits as its factorization.

68824471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86016, while the sum is 40.

The square root of 68824471 is about 8296.0515306982. The cubic root of 68824471 is about 409.8084987102.

The spelling of 68824471 in words is "sixty-eight million, eight hundred twenty-four thousand, four hundred seventy-one".