71144347068 has 36 divisors (see below), whose sum is σ = 179921684488. Its totient is φ = 23703628320.

The previous prime is 71144347037. The next prime is 71144347129. The reversal of 71144347068 is 86074344117.

71144347068 is a `hidden beast` number, since 7 + 114 + 4 + 3 + 470 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 386971 + ... + 540402.

Almost surely, 2^71144347068 is an apocalyptic number.

It is an amenable number.

71144347068 is an abundant number, since it is smaller than the sum of its proper divisors (108777337420).

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

71144347068 is a wasteful number, since it uses less digits than its factorization.

71144347068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929514 (or 929509 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 71144347068 in words is "seventy-one billion, one hundred forty-four million, three hundred forty-seven thousand, sixty-eight".