71340343 has 2 divisors, whose sum is σ = 71340344. Its totient is φ = 71340342.

The previous prime is 71340337. The next prime is 71340349. The reversal of 71340343 is 34304317.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (71340337) and next prime (71340349).

It is a cyclic number.

It is not a de Polignac number, because 71340343 - 2²⁵ = 37785911 is a prime.

It is equal to p_4192171 and since 71340343 and 4192171 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71340349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35670171 + 35670172.

It is an arithmetic number, because the mean of its divisors is an integer number (35670172).

Almost surely, 2^71340343 is an apocalyptic number.

71340343 is a deficient number, since it is larger than the sum of its proper divisors (1).

71340343 is an equidigital number, since it uses as much as digits as its factorization.

71340343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 71340343 is about 8446.3212702336. The cubic root of 71340343 is about 414.7423629514.

The spelling of 71340343 in words is "seventy-one million, three hundred forty thousand, three hundred forty-three".