71047832 has 16 divisors (see below), whose sum is σ = 136049760. Its totient is φ = 34767904.

The previous prime is 71047831. The next prime is 71047841. The reversal of 71047832 is 23874017.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71047831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94103 + ... + 94854.

It is an arithmetic number, because the mean of its divisors is an integer number (8503110).

Almost surely, 2^71047832 is an apocalyptic number.

It is an amenable number.

71047832 is a deficient number, since it is larger than the sum of its proper divisors (65001928).

71047832 is a wasteful number, since it uses less digits than its factorization.

71047832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189010 (or 189006 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 71047832 is about 8428.9876023162. The cubic root of 71047832 is about 414.1747416716.

The spelling of 71047832 in words is "seventy-one million, forty-seven thousand, eight hundred thirty-two".