75422923 has 2 divisors, whose sum is σ = 75422924. Its totient is φ = 75422922.

The previous prime is 75422917. The next prime is 75422947. The reversal of 75422923 is 32922457.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (32922457) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75422923 is a prime.

It is a super-3 number, since 3×75422923³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (75422953) 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, 37711461 + 37711462.

It is an arithmetic number, because the mean of its divisors is an integer number (37711462).

Almost surely, 2^75422923 is an apocalyptic number.

75422923 is a deficient number, since it is larger than the sum of its proper divisors (1).

75422923 is an equidigital number, since it uses as much as digits as its factorization.

75422923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 75422923 is about 8684.6371829801. The cubic root of 75422923 is about 422.5075297142.

The spelling of 75422923 in words is "seventy-five million, four hundred twenty-two thousand, nine hundred twenty-three".