71244067 has 2 divisors, whose sum is σ = 71244068. Its totient is φ = 71244066.

The previous prime is 71244029. The next prime is 71244071. The reversal of 71244067 is 76044217.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71244067 - 2¹⁵ = 71211299 is a prime.

It is not a weakly prime, because it can be changed into another prime (71244007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35622033 + 35622034.

It is an arithmetic number, because the mean of its divisors is an integer number (35622034).

Almost surely, 2^71244067 is an apocalyptic number.

71244067 is a deficient number, since it is larger than the sum of its proper divisors (1).

71244067 is an equidigital number, since it uses as much as digits as its factorization.

71244067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 71244067 is about 8440.6200601615. The cubic root of 71244067 is about 414.5557097448. Note that the first 3 decimals are identical.

The spelling of 71244067 in words is "seventy-one million, two hundred forty-four thousand, sixty-seven".