71286832 has 20 divisors (see below), whose sum is σ = 138439800. Its totient is φ = 35560448.

The previous prime is 71286811. The next prime is 71286847. The reversal of 71286832 is 23868217.

It is a junction number, because it is equal to n+sod(n) for n = 71286791 and 71286800.

It is an unprimeable number.

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, 2223 + ... + 12145.

It is an arithmetic number, because the mean of its divisors is an integer number (6921990).

Almost surely, 2^71286832 is an apocalyptic number.

It is an amenable number.

71286832 is a deficient number, since it is larger than the sum of its proper divisors (67152968).

71286832 is a wasteful number, since it uses less digits than its factorization.

71286832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10380 (or 10374 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 71286832 is about 8443.1529655692. The cubic root of 71286832 is about 414.6386402943.

It can be divided in two parts, 71 and 286832, that added together give a triangular number (286903 = T₇₅₇).

The spelling of 71286832 in words is "seventy-one million, two hundred eighty-six thousand, eight hundred thirty-two".