71394283 has 2 divisors, whose sum is σ = 71394284. Its totient is φ = 71394282.

The previous prime is 71394227. The next prime is 71394293. The reversal of 71394283 is 38249317.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71394283 is a prime.

It is not a weakly prime, because it can be changed into another prime (71394293) 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, 35697141 + 35697142.

It is an arithmetic number, because the mean of its divisors is an integer number (35697142).

Almost surely, 2^71394283 is an apocalyptic number.

71394283 is a deficient number, since it is larger than the sum of its proper divisors (1).

71394283 is an equidigital number, since it uses as much as digits as its factorization.

71394283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 71394283 is about 8449.5137729931. The cubic root of 71394283 is about 414.8468646786.

It can be divided in two parts, 713942 and 83, that added together give a square (714025 = 845²).

The spelling of 71394283 in words is "seventy-one million, three hundred ninety-four thousand, two hundred eighty-three".