71563468 has 6 divisors (see below), whose sum is σ = 125236076. Its totient is φ = 35781732.

The previous prime is 71563447. The next prime is 71563477. The reversal of 71563468 is 86436517.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 71563468.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8945430 + ... + 8945437.

Almost surely, 2^71563468 is an apocalyptic number.

It is an amenable number.

71563468 is a deficient number, since it is larger than the sum of its proper divisors (53672608).

71563468 is a wasteful number, since it uses less digits than its factorization.

71563468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17890871 (or 17890869 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 71563468 is about 8459.5193716901. The cubic root of 71563468 is about 415.1742975218.

The spelling of 71563468 in words is "seventy-one million, five hundred sixty-three thousand, four hundred sixty-eight".