71107674407447 has 4 divisors (see below), whose sum is σ = 71110472735736. Its totient is φ = 71104876079160.

The previous prime is 71107674407383. The next prime is 71107674407461. The reversal of 71107674407447 is 74470447670117.

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 71107674407447 - 2⁶ = 71107674407383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71107674407347) 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, 1399126028 + ... + 1399176849.

It is an arithmetic number, because the mean of its divisors is an integer number (17777618183934).

Almost surely, 2^{71107674407447} is an apocalyptic number.

71107674407447 is a deficient number, since it is larger than the sum of its proper divisors (2798328289).

71107674407447 is a wasteful number, since it uses less digits than its factorization.

71107674407447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798328288.

The product of its (nonzero) digits is 25815552, while the sum is 59.

The spelling of 71107674407447 in words is "seventy-one trillion, one hundred seven billion, six hundred seventy-four million, four hundred seven thousand, four hundred forty-seven".