71224343 has 2 divisors, whose sum is σ = 71224344. Its totient is φ = 71224342.

The previous prime is 71224337. The next prime is 71224379. The reversal of 71224343 is 34342217.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71224343 - 2⁴ = 71224327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71224313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35612171 + 35612172.

It is an arithmetic number, because the mean of its divisors is an integer number (35612172).

Almost surely, 2^71224343 is an apocalyptic number.

71224343 is a deficient number, since it is larger than the sum of its proper divisors (1).

71224343 is an equidigital number, since it uses as much as digits as its factorization.

71224343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 26.

The square root of 71224343 is about 8439.4515817084. The cubic root of 71224343 is about 414.5174494757.

The spelling of 71224343 in words is "seventy-one million, two hundred twenty-four thousand, three hundred forty-three".