71656132 has 12 divisors (see below), whose sum is σ = 130850496. Its totient is φ = 34270280.

The previous prime is 71656093. The next prime is 71656147. The reversal of 71656132 is 23165617.

It is a junction number, because it is equal to n+sod(n) for n = 71656094 and 71656103.

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, 389344 + ... + 389527.

It is an arithmetic number, because the mean of its divisors is an integer number (10904208).

Almost surely, 2^71656132 is an apocalyptic number.

It is an amenable number.

71656132 is a deficient number, since it is larger than the sum of its proper divisors (59194364).

71656132 is a wasteful number, since it uses less digits than its factorization.

71656132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778898 (or 778896 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 71656132 is about 8464.9945067909. The cubic root of 71656132 is about 415.3534164637.

The spelling of 71656132 in words is "seventy-one million, six hundred fifty-six thousand, one hundred thirty-two".