71407706667 has 16 divisors (see below), whose sum is σ = 105626194560. Its totient is φ = 42543881600.

The previous prime is 71407706653. The next prime is 71407706701. The reversal of 71407706667 is 76660770417.

It is not a de Polignac number, because 71407706667 - 2²³ = 71399318059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71407706647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18335934 + ... + 18339827.

It is an arithmetic number, because the mean of its divisors is an integer number (6601637160).

Almost surely, 2^71407706667 is an apocalyptic number.

71407706667 is a deficient number, since it is larger than the sum of its proper divisors (34218487893).

71407706667 is a wasteful number, since it uses less digits than its factorization.

71407706667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36675834.

The product of its (nonzero) digits is 2074464, while the sum is 51.

The spelling of 71407706667 in words is "seventy-one billion, four hundred seven million, seven hundred six thousand, six hundred sixty-seven".