71745343 has 2 divisors, whose sum is σ = 71745344. Its totient is φ = 71745342.

The previous prime is 71745341. The next prime is 71745361. The reversal of 71745343 is 34354717.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71745343 - 2¹ = 71745341 is a prime.

Together with 71745341, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 71745299 and 71745308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71745341) 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 as a sum of consecutive naturals, namely, 35872671 + 35872672.

It is an arithmetic number, because the mean of its divisors is an integer number (35872672).

Almost surely, 2^71745343 is an apocalyptic number.

71745343 is a deficient number, since it is larger than the sum of its proper divisors (1).

71745343 is an equidigital number, since it uses as much as digits as its factorization.

71745343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 34.

The square root of 71745343 is about 8470.2622745698. The cubic root of 71745343 is about 415.5257149394.

The spelling of 71745343 in words is "seventy-one million, seven hundred forty-five thousand, three hundred forty-three".