71305010670 has 16 divisors (see below), whose sum is σ = 171132025680. Its totient is φ = 19014669504.

The previous prime is 71305010611. The next prime is 71305010701. The reversal of 71305010670 is 7601050317.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2376833689 = 71305010670 / (7 + 1 + 3 + 0 + 5 + 0 + 1 + 0 + 6 + 7 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188416815 + ... + 1188416874.

It is an arithmetic number, because the mean of its divisors is an integer number (10695751605).

Almost surely, 2^71305010670 is an apocalyptic number.

71305010670 is an abundant number, since it is smaller than the sum of its proper divisors (99827015010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71305010670 is a wasteful number, since it uses less digits than its factorization.

71305010670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376833699.

The product of its (nonzero) digits is 4410, while the sum is 30.

Adding to 71305010670 its reverse (7601050317), we get a palindrome (78906060987).

The spelling of 71305010670 in words is "seventy-one billion, three hundred five million, ten thousand, six hundred seventy".