75330923 has 2 divisors, whose sum is σ = 75330924. Its totient is φ = 75330922.

The previous prime is 75330919. The next prime is 75330979. The reversal of 75330923 is 32903357.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75330923 - 2² = 75330919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75330923.

It is not a weakly prime, because it can be changed into another prime (75330823) 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, 37665461 + 37665462.

It is an arithmetic number, because the mean of its divisors is an integer number (37665462).

Almost surely, 2^75330923 is an apocalyptic number.

75330923 is a deficient number, since it is larger than the sum of its proper divisors (1).

75330923 is an equidigital number, since it uses as much as digits as its factorization.

75330923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 32.

The square root of 75330923 is about 8679.3388573094. The cubic root of 75330923 is about 422.3356699021.

The spelling of 75330923 in words is "seventy-five million, three hundred thirty thousand, nine hundred twenty-three".