75544423 has 8 divisors (see below), whose sum is σ = 76471200. Its totient is φ = 74621568.

The previous prime is 75544409. The next prime is 75544433. The reversal of 75544423 is 32444557.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75544423 - 2⁹ = 75543911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75544433) 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 in 7 ways as a sum of consecutive naturals, for example, 57963 + ... + 59251.

It is an arithmetic number, because the mean of its divisors is an integer number (9558900).

Almost surely, 2^75544423 is an apocalyptic number.

75544423 is a deficient number, since it is larger than the sum of its proper divisors (926777).

75544423 is a wasteful number, since it uses less digits than its factorization.

75544423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961.

The product of its digits is 67200, while the sum is 34.

The square root of 75544423 is about 8691.6294789872. The cubic root of 75544423 is about 422.7342827232.

The spelling of 75544423 in words is "seventy-five million, five hundred forty-four thousand, four hundred twenty-three".