71426671 has 2 divisors, whose sum is σ = 71426672. Its totient is φ = 71426670.

The previous prime is 71426659. The next prime is 71426711. The reversal of 71426671 is 17662417.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71426671 - 2¹¹ = 71424623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71426611) 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, 35713335 + 35713336.

It is an arithmetic number, because the mean of its divisors is an integer number (35713336).

Almost surely, 2^71426671 is an apocalyptic number.

71426671 is a deficient number, since it is larger than the sum of its proper divisors (1).

71426671 is an equidigital number, since it uses as much as digits as its factorization.

71426671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 34.

The square root of 71426671 is about 8451.4301156668. The cubic root of 71426671 is about 414.9095869230.

The spelling of 71426671 in words is "seventy-one million, four hundred twenty-six thousand, six hundred seventy-one".