71237480432 has 10 divisors (see below), whose sum is σ = 138022618368. Its totient is φ = 35618740208.

The previous prime is 71237480417. The next prime is 71237480437. The reversal of 71237480432 is 23408473217.

It is a self number, because there is not a number n which added to its sum of digits gives 71237480432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71237480437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2226171248 + ... + 2226171279.

Almost surely, 2^71237480432 is an apocalyptic number.

It is an amenable number.

71237480432 is a deficient number, since it is larger than the sum of its proper divisors (66785137936).

71237480432 is a wasteful number, since it uses less digits than its factorization.

71237480432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452342535 (or 4452342529 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 71237480432 in words is "seventy-one billion, two hundred thirty-seven million, four hundred eighty thousand, four hundred thirty-two".