71020075943 has 2 divisors, whose sum is σ = 71020075944. Its totient is φ = 71020075942.

The previous prime is 71020075817. The next prime is 71020075957. The reversal of 71020075943 is 34957002017.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71020075943 - 2¹⁰ = 71020074919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71020075897 and 71020075906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71020071943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35510037971 + 35510037972.

It is an arithmetic number, because the mean of its divisors is an integer number (35510037972).

Almost surely, 2^71020075943 is an apocalyptic number.

71020075943 is a deficient number, since it is larger than the sum of its proper divisors (1).

71020075943 is an equidigital number, since it uses as much as digits as its factorization.

71020075943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 38.

The spelling of 71020075943 in words is "seventy-one billion, twenty million, seventy-five thousand, nine hundred forty-three".