71447280506 has 8 divisors (see below), whose sum is σ = 122481052320. Its totient is φ = 30620263068.

The previous prime is 71447280503. The next prime is 71447280511. The reversal of 71447280506 is 60508274417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (71447280503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2551688576 + ... + 2551688603.

It is an arithmetic number, because the mean of its divisors is an integer number (15310131540).

Almost surely, 2^71447280506 is an apocalyptic number.

71447280506 is a deficient number, since it is larger than the sum of its proper divisors (51033771814).

71447280506 is a wasteful number, since it uses less digits than its factorization.

71447280506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5103377188.

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 71447280506 in words is "seventy-one billion, four hundred forty-seven million, two hundred eighty thousand, five hundred six".