71468281 has 2 divisors, whose sum is σ = 71468282. Its totient is φ = 71468280.

The previous prime is 71468261. The next prime is 71468311. The reversal of 71468281 is 18286417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46308025 + 25160256 = 6805^2 + 5016^2 .

It is a cyclic number.

It is not a de Polignac number, because 71468281 - 2⁹ = 71467769 is a prime.

It is a super-2 number, since 2×71468281² = 10215430378189922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71468281.

It is not a weakly prime, because it can be changed into another prime (71468231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35734140 + 35734141.

It is an arithmetic number, because the mean of its divisors is an integer number (35734141).

Almost surely, 2^71468281 is an apocalyptic number.

It is an amenable number.

71468281 is a deficient number, since it is larger than the sum of its proper divisors (1).

71468281 is an equidigital number, since it uses as much as digits as its factorization.

71468281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 37.

The square root of 71468281 is about 8453.8914707962. The cubic root of 71468281 is about 414.9901405699.

The spelling of 71468281 in words is "seventy-one million, four hundred sixty-eight thousand, two hundred eighty-one".