71474068147 has 4 divisors (see below), whose sum is σ = 71475946696. Its totient is φ = 71472189600.

The previous prime is 71474068139. The next prime is 71474068153. The reversal of 71474068147 is 74186047417.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71474068147 - 2³ = 71474068139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71474068147.

It is not an unprimeable number, because it can be changed into a prime (71471068147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880998 + ... + 958699.

It is an arithmetic number, because the mean of its divisors is an integer number (17868986674).

Almost surely, 2^71474068147 is an apocalyptic number.

71474068147 is a deficient number, since it is larger than the sum of its proper divisors (1878549).

71474068147 is a wasteful number, since it uses less digits than its factorization.

71474068147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878548.

The product of its (nonzero) digits is 1053696, while the sum is 49.

The spelling of 71474068147 in words is "seventy-one billion, four hundred seventy-four million, sixty-eight thousand, one hundred forty-seven".