75473251731422 has 32 divisors (see below), whose sum is σ = 119123678505600. Its totient is φ = 35829700411648.

The previous prime is 75473251731413. The next prime is 75473251731457. The reversal of 75473251731422 is 22413715237457.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 84664397 + ... + 85551192.

It is an arithmetic number, because the mean of its divisors is an integer number (3722614953300).

Almost surely, 2^{75473251731422} is an apocalyptic number.

75473251731422 is a deficient number, since it is larger than the sum of its proper divisors (43650426774178).

75473251731422 is a wasteful number, since it uses less digits than its factorization.

75473251731422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170215780.

The product of its digits is 9878400, while the sum is 53.

Adding to 75473251731422 its reverse (22413715237457), we get a palindrome (97886966968879).

The spelling of 75473251731422 in words is "seventy-five trillion, four hundred seventy-three billion, two hundred fifty-one million, seven hundred thirty-one thousand, four hundred twenty-two".