71401200656 has 20 divisors (see below), whose sum is σ = 138654964800. Its totient is φ = 35619274272.

The previous prime is 71401200649. The next prime is 71401200679. The reversal of 71401200656 is 65600210417.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5075636 + ... + 5089683.

It is an arithmetic number, because the mean of its divisors is an integer number (6932748240).

Almost surely, 2^71401200656 is an apocalyptic number.

It is an amenable number.

71401200656 is a deficient number, since it is larger than the sum of its proper divisors (67253764144).

71401200656 is a wasteful number, since it uses less digits than its factorization.

71401200656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10165766 (or 10165760 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 71401200656 in words is "seventy-one billion, four hundred one million, two hundred thousand, six hundred fifty-six".