71871382 has 8 divisors (see below), whose sum is σ = 117607752. Its totient is φ = 32668800.

The previous prime is 71871379. The next prime is 71871391. The reversal of 71871382 is 28317817.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1633419 + ... + 1633462.

It is an arithmetic number, because the mean of its divisors is an integer number (14700969).

Almost surely, 2^71871382 is an apocalyptic number.

71871382 is a deficient number, since it is larger than the sum of its proper divisors (45736370).

71871382 is a wasteful number, since it uses less digits than its factorization.

71871382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266894.

The product of its digits is 18816, while the sum is 37.

The square root of 71871382 is about 8477.6990982223. The cubic root of 71871382 is about 415.7688982355.

The spelling of 71871382 in words is "seventy-one million, eight hundred seventy-one thousand, three hundred eighty-two".