71941081632 has 48 divisors (see below), whose sum is σ = 215823246912. Its totient is φ = 20554594560.

The previous prime is 71941081621. The next prime is 71941081649. The reversal of 71941081632 is 23618014917.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53526919 + ... + 53528262.

It is an arithmetic number, because the mean of its divisors is an integer number (4496317644).

Almost surely, 2^71941081632 is an apocalyptic number.

It is an amenable number.

71941081632 is an abundant number, since it is smaller than the sum of its proper divisors (143882165280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71941081632 is a wasteful number, since it uses less digits than its factorization.

71941081632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107055201 (or 107055193 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 71941081632 in words is "seventy-one billion, nine hundred forty-one million, eighty-one thousand, six hundred thirty-two".