75074427073525 has 36 divisors (see below), whose sum is σ = 102326986786500. Its totient is φ = 54598300556800.

The previous prime is 75074427073507. The next prime is 75074427073543. The reversal of 75074427073525 is 52537072447057.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (75074427073507) and next prime (75074427073543).

It can be written as a sum of positive squares in 6 ways, for example, as 7074711587889 + 67999715485636 = 2659833^2 + 8246194^2 .

It is not a de Polignac number, because 75074427073525 - 2¹⁹ = 75074426549237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75074427073525.

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 35 ways as a sum of consecutive naturals, for example, 139574301 + ... + 140111149.

It is an arithmetic number, because the mean of its divisors is an integer number (2842416299625).

Almost surely, 2^{75074427073525} is an apocalyptic number.

It is an amenable number.

75074427073525 is a deficient number, since it is larger than the sum of its proper divisors (27252559712975).

75074427073525 is a wasteful number, since it uses less digits than its factorization.

75074427073525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583110 (or 583094 counting only the distinct ones).

The product of its (nonzero) digits is 57624000, while the sum is 58.

The spelling of 75074427073525 in words is "seventy-five trillion, seventy-four billion, four hundred twenty-seven million, seventy-three thousand, five hundred twenty-five".