71372611703 has 16 divisors (see below), whose sum is σ = 75125166336. Its totient is φ = 67712785920.

The previous prime is 71372611649. The next prime is 71372611721. The reversal of 71372611703 is 30711627317.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 71372611703 - 2²⁰ = 71371563127 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 (71372611003) 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 15 ways as a sum of consecutive naturals, for example, 2114225 + ... + 2147717.

It is an arithmetic number, because the mean of its divisors is an integer number (4695322896).

Almost surely, 2^71372611703 is an apocalyptic number.

71372611703 is a deficient number, since it is larger than the sum of its proper divisors (3752554633).

71372611703 is a wasteful number, since it uses less digits than its factorization.

71372611703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34874.

The product of its (nonzero) digits is 37044, while the sum is 38.

The spelling of 71372611703 in words is "seventy-one billion, three hundred seventy-two million, six hundred eleven thousand, seven hundred three".