71432732 has 12 divisors (see below), whose sum is σ = 142865520. Its totient is φ = 30614016.

The previous prime is 71432717. The next prime is 71432741. The reversal of 71432732 is 23723417.

71432732 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 71432695 and 71432704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275557 + ... + 1275612.

It is an arithmetic number, because the mean of its divisors is an integer number (11905460).

Almost surely, 2^71432732 is an apocalyptic number.

It is an amenable number.

71432732 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71432732 is a wasteful number, since it uses less digits than its factorization.

71432732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551180 (or 2551178 counting only the distinct ones).

The product of its digits is 7056, while the sum is 29.

The square root of 71432732 is about 8451.7886864261. The cubic root of 71432732 is about 414.9213224827.

The spelling of 71432732 in words is "seventy-one million, four hundred thirty-two thousand, seven hundred thirty-two".