71986127 has 6 divisors (see below), whose sum is σ = 73985688. Its totient is φ = 70039224.

The previous prime is 71986111. The next prime is 71986133. The reversal of 71986127 is 72168917.

It is not a de Polignac number, because 71986127 - 2⁴ = 71986111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71986147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24923 + ... + 27660.

It is an arithmetic number, because the mean of its divisors is an integer number (12330948).

Almost surely, 2^71986127 is an apocalyptic number.

71986127 is a deficient number, since it is larger than the sum of its proper divisors (1999561).

71986127 is an equidigital number, since it uses as much as digits as its factorization.

71986127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52657 (or 52620 counting only the distinct ones).

The product of its digits is 42336, while the sum is 41.

The square root of 71986127 is about 8484.4638604923. The cubic root of 71986127 is about 415.9900434470.

The spelling of 71986127 in words is "seventy-one million, nine hundred eighty-six thousand, one hundred twenty-seven".