75066499 has 2 divisors, whose sum is σ = 75066500. Its totient is φ = 75066498.

The previous prime is 75066491. The next prime is 75066521. The reversal of 75066499 is 99466057.

It is a weak prime.

It is an emirp because it is prime and its reverse (99466057) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75066499 - 2³ = 75066491 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75066491) 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, 37533249 + 37533250.

It is an arithmetic number, because the mean of its divisors is an integer number (37533250).

Almost surely, 2^75066499 is an apocalyptic number.

75066499 is a deficient number, since it is larger than the sum of its proper divisors (1).

75066499 is an equidigital number, since it uses as much as digits as its factorization.

75066499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 75066499 is about 8664.0925087397. The cubic root of 75066499 is about 421.8409345626.

The spelling of 75066499 in words is "seventy-five million, sixty-six thousand, four hundred ninety-nine".