71286632 has 32 divisors (see below), whose sum is σ = 143100000. Its totient is φ = 33190848.

The previous prime is 71286629. The next prime is 71286671. The reversal of 71286632 is 23668217.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 71286592 and 71286601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4994 + ... + 12942.

It is an arithmetic number, because the mean of its divisors is an integer number (4471875).

Almost surely, 2^71286632 is an apocalyptic number.

It is an amenable number.

71286632 is an abundant number, since it is smaller than the sum of its proper divisors (71813368).

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

71286632 is a wasteful number, since it uses less digits than its factorization.

71286632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8033 (or 8029 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 71286632 is about 8443.1411216442. The cubic root of 71286632 is about 414.6382525284.

The spelling of 71286632 in words is "seventy-one million, two hundred eighty-six thousand, six hundred thirty-two".