71214704767717 has 4 divisors (see below), whose sum is σ = 81388234020256. Its totient is φ = 61041175515180.

The previous prime is 71214704767699. The next prime is 71214704767729. The reversal of 71214704767717 is 71776740741217.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 71214704767717 - 2¹⁹ = 71214704243429 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 (71214704765717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5086764626259 + ... + 5086764626272.

It is an arithmetic number, because the mean of its divisors is an integer number (20347058505064).

Almost surely, 2^{71214704767717} is an apocalyptic number.

It is an amenable number.

71214704767717 is a deficient number, since it is larger than the sum of its proper divisors (10173529252539).

71214704767717 is a wasteful number, since it uses less digits than its factorization.

71214704767717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10173529252538.

The product of its (nonzero) digits is 22588608, while the sum is 61.

The spelling of 71214704767717 in words is "seventy-one trillion, two hundred fourteen billion, seven hundred four million, seven hundred sixty-seven thousand, seven hundred seventeen".