75006432243 has 32 divisors (see below), whose sum is σ = 112909985280. Its totient is φ = 49205167200.

The previous prime is 75006432209. The next prime is 75006432247. The reversal of 75006432243 is 34223460057.

75006432243 is a `hidden beast` number, since 7 + 5 + 0 + 0 + 643 + 2 + 2 + 4 + 3 = 666.

It is not a de Polignac number, because 75006432243 - 2²² = 75002237939 is a prime.

It is a super-2 number, since 2×75006432243² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75006432198 and 75006432207.

It is not an unprimeable number, because it can be changed into a prime (75006432247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 360130 + ... + 528872.

It is an arithmetic number, because the mean of its divisors is an integer number (3528437040).

Almost surely, 2^75006432243 is an apocalyptic number.

75006432243 is a deficient number, since it is larger than the sum of its proper divisors (37903553037).

75006432243 is a wasteful number, since it uses less digits than its factorization.

75006432243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169016 (or 169010 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The spelling of 75006432243 in words is "seventy-five billion, six million, four hundred thirty-two thousand, two hundred forty-three".