71047328339992 has 8 divisors (see below), whose sum is σ = 133213740637500. Its totient is φ = 35523664169992.

The previous prime is 71047328339971. The next prime is 71047328339993. The reversal of 71047328339992 is 29993382374017.

71047328339992 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71047328339993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4440458021242 + ... + 4440458021257.

Almost surely, 2^{71047328339992} is an apocalyptic number.

It is an amenable number.

71047328339992 is a deficient number, since it is larger than the sum of its proper divisors (62166412297508).

71047328339992 is a wasteful number, since it uses less digits than its factorization.

71047328339992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8880916042505 (or 8880916042501 counting only the distinct ones).

The product of its (nonzero) digits is 123451776, while the sum is 67.

The spelling of 71047328339992 in words is "seventy-one trillion, forty-seven billion, three hundred twenty-eight million, three hundred thirty-nine thousand, nine hundred ninety-two".