71996 has 12 divisors (see below), whose sum is σ = 129360. Its totient is φ = 35040.

The previous prime is 71993. The next prime is 71999. The reversal of 71996 is 69917.

It is an interprime number because it is at equal distance from previous prime (71993) and next prime (71999).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56 + ... + 383.

It is an arithmetic number, because the mean of its divisors is an integer number (10780).

2⁷¹⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

71996 is a deficient number, since it is larger than the sum of its proper divisors (57364).

71996 is a wasteful number, since it uses less digits than its factorization.

71996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 482 counting only the distinct ones).

The product of its digits is 3402, while the sum is 32.

The square root of 71996 is about 268.3207036365. The cubic root of 71996 is about 41.6009060454.

The spelling of 71996 in words is "seventy-one thousand, nine hundred ninety-six".