71427044403 has 80 divisors (see below), whose sum is σ = 128021515776. Its totient is φ = 39108692160.

The previous prime is 71427044401. The next prime is 71427044411. The reversal of 71427044403 is 30444072417.

It is a happy number.

71427044403 is a `hidden beast` number, since 7 + 142 + 70 + 4 + 440 + 3 = 666.

It is not a de Polignac number, because 71427044403 - 2¹ = 71427044401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71427044401) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 478800 + ... + 610002.

Almost surely, 2^71427044403 is an apocalyptic number.

71427044403 is a deficient number, since it is larger than the sum of its proper divisors (56594471373).

71427044403 is a wasteful number, since it uses less digits than its factorization.

71427044403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131286 (or 131277 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The spelling of 71427044403 in words is "seventy-one billion, four hundred twenty-seven million, forty-four thousand, four hundred three".