75448123 has 4 divisors (see below), whose sum is σ = 75469680. Its totient is φ = 75426568.

The previous prime is 75448117. The next prime is 75448127. The reversal of 75448123 is 32184457.

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 75448123 - 2⁹ = 75447611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75448127) 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, 4183 + ... + 12976.

It is an arithmetic number, because the mean of its divisors is an integer number (18867420).

Almost surely, 2^75448123 is an apocalyptic number.

75448123 is a deficient number, since it is larger than the sum of its proper divisors (21557).

75448123 is a wasteful number, since it uses less digits than its factorization.

75448123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21556.

The product of its digits is 26880, while the sum is 34.

The square root of 75448123 is about 8686.0878996243. The cubic root of 75448123 is about 422.5545799731.

The spelling of 75448123 in words is "seventy-five million, four hundred forty-eight thousand, one hundred twenty-three".