71305394307 has 16 divisors (see below), whose sum is σ = 108669318912. Its totient is φ = 40740884640.

The previous prime is 71305394299. The next prime is 71305394317. The reversal of 71305394307 is 70349350317.

It is not a de Polignac number, because 71305394307 - 2³ = 71305394299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71305394317) 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, 33873 + ... + 379154.

It is an arithmetic number, because the mean of its divisors is an integer number (6791832432).

Almost surely, 2^71305394307 is an apocalyptic number.

71305394307 is a deficient number, since it is larger than the sum of its proper divisors (37363924605).

71305394307 is a wasteful number, since it uses less digits than its factorization.

71305394307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421258.

The product of its (nonzero) digits is 238140, while the sum is 42.

The spelling of 71305394307 in words is "seventy-one billion, three hundred five million, three hundred ninety-four thousand, three hundred seven".