71133808 has 20 divisors (see below), whose sum is σ = 140083048. Its totient is φ = 34983360.

The previous prime is 71133793. The next prime is 71133823. The reversal of 71133808 is 80833117.

It is an interprime number because it is at equal distance from previous prime (71133793) and next prime (71133823).

It is a self number, because there is not a number n which added to its sum of digits gives 71133808.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 35466 + ... + 37417.

Almost surely, 2^71133808 is an apocalyptic number.

It is an amenable number.

71133808 is a deficient number, since it is larger than the sum of its proper divisors (68949240).

71133808 is a wasteful number, since it uses less digits than its factorization.

71133808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72952 (or 72946 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 71133808 is about 8434.0860797125. The cubic root of 71133808 is about 414.3417405912.

The spelling of 71133808 in words is "seventy-one million, one hundred thirty-three thousand, eight hundred eight".