71963415532 has 12 divisors (see below), whose sum is σ = 125941966920. Its totient is φ = 35979996416.

The previous prime is 71963415527. The next prime is 71963415533. The reversal of 71963415532 is 23551436917.

It is not an unprimeable number, because it can be changed into a prime (71963415533) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 330778 + ... + 503329.

It is an arithmetic number, because the mean of its divisors is an integer number (10495163910).

Almost surely, 2^71963415532 is an apocalyptic number.

It is an amenable number.

71963415532 is a deficient number, since it is larger than the sum of its proper divisors (53978551388).

71963415532 is a wasteful number, since it uses less digits than its factorization.

71963415532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855680 (or 855678 counting only the distinct ones).

The product of its digits is 680400, while the sum is 46.

The spelling of 71963415532 in words is "seventy-one billion, nine hundred sixty-three million, four hundred fifteen thousand, five hundred thirty-two".