71026143 has 16 divisors (see below), whose sum is σ = 96990816. Its totient is φ = 46218240.

The previous prime is 71026141. The next prime is 71026159. The reversal of 71026143 is 34162017.

It is not a de Polignac number, because 71026143 - 2¹ = 71026141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71026141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23655 + ... + 26487.

It is an arithmetic number, because the mean of its divisors is an integer number (6061926).

Almost surely, 2^71026143 is an apocalyptic number.

71026143 is a deficient number, since it is larger than the sum of its proper divisors (25964673).

71026143 is a wasteful number, since it uses less digits than its factorization.

With its successor (71026144) it forms an eRAP, since the sums of their prime factors are consecutive (3034 and 3035).

71026143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 71026143 is about 8427.7009320455. The cubic root of 71026143 is about 414.1325918974.

The spelling of 71026143 in words is "seventy-one million, twenty-six thousand, one hundred forty-three".