71106747407 has 4 divisors (see below), whose sum is σ = 71383427616. Its totient is φ = 70830067200.

The previous prime is 71106747389. The next prime is 71106747451. The reversal of 71106747407 is 70474760117.

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 71106747407 - 2¹² = 71106743311 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 (71106707407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138339719 + ... + 138340232.

It is an arithmetic number, because the mean of its divisors is an integer number (17845856904).

Almost surely, 2^71106747407 is an apocalyptic number.

71106747407 is a deficient number, since it is larger than the sum of its proper divisors (276680209).

71106747407 is a wasteful number, since it uses less digits than its factorization.

71106747407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276680208.

The product of its (nonzero) digits is 230496, while the sum is 44.

The spelling of 71106747407 in words is "seventy-one billion, one hundred six million, seven hundred forty-seven thousand, four hundred seven".