71250799 has 2 divisors, whose sum is σ = 71250800. Its totient is φ = 71250798.

The previous prime is 71250797. The next prime is 71250821. The reversal of 71250799 is 99705217.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71250799 - 2¹ = 71250797 is a prime.

Together with 71250797, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71250797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35625399 + 35625400.

It is an arithmetic number, because the mean of its divisors is an integer number (35625400).

Almost surely, 2^71250799 is an apocalyptic number.

71250799 is a deficient number, since it is larger than the sum of its proper divisors (1).

71250799 is an equidigital number, since it uses as much as digits as its factorization.

71250799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 40.

The square root of 71250799 is about 8441.0188366097. The cubic root of 71250799 is about 414.5687667438.

The spelling of 71250799 in words is "seventy-one million, two hundred fifty thousand, seven hundred ninety-nine".