71656652 has 6 divisors (see below), whose sum is σ = 125399148. Its totient is φ = 35828324.

The previous prime is 71656631. The next prime is 71656681. The reversal of 71656652 is 25665617.

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 as a sum of consecutive naturals, namely, 8957078 + ... + 8957085.

It is an arithmetic number, because the mean of its divisors is an integer number (20899858).

Almost surely, 2^71656652 is an apocalyptic number.

It is an amenable number.

71656652 is a deficient number, since it is larger than the sum of its proper divisors (53742496).

71656652 is a wasteful number, since it uses less digits than its factorization.

71656652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17914167 (or 17914165 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 71656652 is about 8465.0252214627. The cubic root of 71656652 is about 415.3544211847.

The spelling of 71656652 in words is "seventy-one million, six hundred fifty-six thousand, six hundred fifty-two".