71132856 has 16 divisors (see below), whose sum is σ = 177832200. Its totient is φ = 23710944.

The previous prime is 71132849. The next prime is 71132857. The reversal of 71132856 is 65823117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71132857) 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, 1481911 + ... + 1481958.

Almost surely, 2^71132856 is an apocalyptic number.

It is an amenable number.

71132856 is an abundant number, since it is smaller than the sum of its proper divisors (106699344).

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

71132856 is a wasteful number, since it uses less digits than its factorization.

71132856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963878 (or 2963874 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 71132856 is about 8434.0296418735. The cubic root of 71132856 is about 414.3398921729.

The spelling of 71132856 in words is "seventy-one million, one hundred thirty-two thousand, eight hundred fifty-six".