71996148 has 48 divisors (see below), whose sum is σ = 213324160. Its totient is φ = 20570112.

The previous prime is 71996143. The next prime is 71996161. The reversal of 71996148 is 84169917.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71996143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46861 + ... + 48372.

Almost surely, 2^71996148 is an apocalyptic number.

It is an amenable number.

71996148 is an abundant number, since it is smaller than the sum of its proper divisors (141328012).

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

71996148 is a wasteful number, since it uses less digits than its factorization.

71996148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95253 (or 95245 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 71996148 is about 8485.0543899259. The cubic root of 71996148 is about 416.0093455124.

The spelling of 71996148 in words is "seventy-one million, nine hundred ninety-six thousand, one hundred forty-eight".