75324923 has 4 divisors (see below), whose sum is σ = 75368328. Its totient is φ = 75281520.

The previous prime is 75324881. The next prime is 75324961. The reversal of 75324923 is 32942357.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75324923 - 2¹² = 75320827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75324983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18986 + ... + 22607.

It is an arithmetic number, because the mean of its divisors is an integer number (18842082).

Almost surely, 2^75324923 is an apocalyptic number.

75324923 is a deficient number, since it is larger than the sum of its proper divisors (43405).

75324923 is a wasteful number, since it uses less digits than its factorization.

75324923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43404.

The product of its digits is 45360, while the sum is 35.

The square root of 75324923 is about 8678.9932019791. The cubic root of 75324923 is about 422.3244567942.

The spelling of 75324923 in words is "seventy-five million, three hundred twenty-four thousand, nine hundred twenty-three".