71875143 has 24 divisors (see below), whose sum is σ = 108667520. Its totient is φ = 45722880.

The previous prime is 71875103. The next prime is 71875163. The reversal of 71875143 is 34157817.

It is not a de Polignac number, because 71875143 - 2⁹ = 71874631 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71875098 and 71875107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71875103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18603 + ... + 22131.

Almost surely, 2^71875143 is an apocalyptic number.

71875143 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

71875143 is a deficient number, since it is larger than the sum of its proper divisors (36792377).

71875143 is a wasteful number, since it uses less digits than its factorization.

71875143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639 (or 3636 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 71875143 is about 8477.9209125823. The cubic root of 71875143 is about 415.7761504477.

The spelling of 71875143 in words is "seventy-one million, eight hundred seventy-five thousand, one hundred forty-three".