71127942 has 16 divisors (see below), whose sum is σ = 144260352. Its totient is φ = 23375240.

The previous prime is 71127941. The next prime is 71127943. The reversal of 71127942 is 24972117.

It is an interprime number because it is at equal distance from previous prime (71127941) and next prime (71127943).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71127941) 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 in 7 ways as a sum of consecutive naturals, for example, 83058 + ... + 83909.

It is an arithmetic number, because the mean of its divisors is an integer number (9016272).

Almost surely, 2^71127942 is an apocalyptic number.

71127942 is an abundant number, since it is smaller than the sum of its proper divisors (73132410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71127942 is a wasteful number, since it uses less digits than its factorization.

71127942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167043.

The product of its digits is 7056, while the sum is 33.

The square root of 71127942 is about 8433.7383170217. The cubic root of 71127942 is about 414.3303508103.

The spelling of 71127942 in words is "seventy-one million, one hundred twenty-seven thousand, nine hundred forty-two".