71703122857 has 4 divisors (see below), whose sum is σ = 71749117440. Its totient is φ = 71657128276.

The previous prime is 71703122851. The next prime is 71703122879. The reversal of 71703122857 is 75822130717.

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 a cyclic number.

It is not a de Polignac number, because 71703122857 - 2³⁵ = 37343384489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71703122851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22994953 + ... + 22998070.

It is an arithmetic number, because the mean of its divisors is an integer number (17937279360).

Almost surely, 2^71703122857 is an apocalyptic number.

It is an amenable number.

71703122857 is a deficient number, since it is larger than the sum of its proper divisors (45994583).

71703122857 is a wasteful number, since it uses less digits than its factorization.

71703122857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45994582.

The product of its (nonzero) digits is 164640, while the sum is 43.

The spelling of 71703122857 in words is "seventy-one billion, seven hundred three million, one hundred twenty-two thousand, eight hundred fifty-seven".