71044071007 has 8 divisors (see below), whose sum is σ = 87438856736. Its totient is φ = 56210693472.

The previous prime is 71044071001. The next prime is 71044071041. The reversal of 71044071007 is 70017044017.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71044071007 - 2¹¹ = 71044068959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71044071007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71044071001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390351948 + ... + 390352129.

It is an arithmetic number, because the mean of its divisors is an integer number (10929857092).

Almost surely, 2^71044071007 is an apocalyptic number.

71044071007 is a deficient number, since it is larger than the sum of its proper divisors (16394785729).

71044071007 is a wasteful number, since it uses less digits than its factorization.

71044071007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780704097.

The product of its (nonzero) digits is 5488, while the sum is 31.

The spelling of 71044071007 in words is "seventy-one billion, forty-four million, seventy-one thousand, seven".