75066287 has 2 divisors, whose sum is σ = 75066288. Its totient is φ = 75066286.

The previous prime is 75066281. The next prime is 75066289. The reversal of 75066287 is 78266057.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75066287 - 2²⁶ = 7957423 is a prime.

Together with 75066289, 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 (75066281) 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, 37533143 + 37533144.

It is an arithmetic number, because the mean of its divisors is an integer number (37533144).

Almost surely, 2^75066287 is an apocalyptic number.

75066287 is a deficient number, since it is larger than the sum of its proper divisors (1).

75066287 is an equidigital number, since it uses as much as digits as its factorization.

75066287 is an odious number, because the sum of its binary digits is odd.

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

The square root of 75066287 is about 8664.0802743280. The cubic root of 75066287 is about 421.8405374464.

The spelling of 75066287 in words is "seventy-five million, sixty-six thousand, two hundred eighty-seven".