71140707973 has 2 divisors, whose sum is σ = 71140707974. Its totient is φ = 71140707972.

The previous prime is 71140707941. The next prime is 71140708007. The reversal of 71140707973 is 37970704117.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64817595649 + 6323112324 = 254593^2 + 79518^2 .

It is a cyclic number.

It is not a de Polignac number, because 71140707973 - 2⁵ = 71140707941 is a prime.

It is a super-2 number, since 2×71140707973² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71140707373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35570353986 + 35570353987.

It is an arithmetic number, because the mean of its divisors is an integer number (35570353987).

Almost surely, 2^71140707973 is an apocalyptic number.

It is an amenable number.

71140707973 is a deficient number, since it is larger than the sum of its proper divisors (1).

71140707973 is an equidigital number, since it uses as much as digits as its factorization.

71140707973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259308, while the sum is 46.

The spelling of 71140707973 in words is "seventy-one billion, one hundred forty million, seven hundred seven thousand, nine hundred seventy-three".