75442424457 has 8 divisors (see below), whose sum is σ = 100888386976. Its totient is φ = 50145705792.

The previous prime is 75442424443. The next prime is 75442424467.

It is a happy number.

75442424457 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 75442424457 - 2¹⁹ = 75441900169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75442424467) 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, 37309783 + ... + 37311804.

It is an arithmetic number, because the mean of its divisors is an integer number (12611048372).

Almost surely, 2^75442424457 is an apocalyptic number.

It is an amenable number.

75442424457 is a deficient number, since it is larger than the sum of its proper divisors (25445962519).

75442424457 is a wasteful number, since it uses less digits than its factorization.

75442424457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74621927.

The product of its digits is 5017600, while the sum is 48.

The spelling of 75442424457 in words is "seventy-five billion, four hundred forty-two million, four hundred twenty-four thousand, four hundred fifty-seven".