71345867 has 2 divisors, whose sum is σ = 71345868. Its totient is φ = 71345866.

The previous prime is 71345861. The next prime is 71345891. The reversal of 71345867 is 76854317.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71345867 - 2⁶ = 71345803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71345861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35672933 + 35672934.

It is an arithmetic number, because the mean of its divisors is an integer number (35672934).

Almost surely, 2^71345867 is an apocalyptic number.

71345867 is a deficient number, since it is larger than the sum of its proper divisors (1).

71345867 is an equidigital number, since it uses as much as digits as its factorization.

71345867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 41.

The square root of 71345867 is about 8446.6482701720. The cubic root of 71345867 is about 414.7530674027.

The spelling of 71345867 in words is "seventy-one million, three hundred forty-five thousand, eight hundred sixty-seven".