75125438228 has 12 divisors (see below), whose sum is σ = 132351863700. Its totient is φ = 37310620032.

The previous prime is 75125438197. The next prime is 75125438233. The reversal of 75125438228 is 82283452157.

It can be written as a sum of positive squares in 2 ways, for example, as 24036781444 + 51088656784 = 155038^2 + 226028^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63024101 + ... + 63025292.

It is an arithmetic number, because the mean of its divisors is an integer number (11029321975).

Almost surely, 2^75125438228 is an apocalyptic number.

It is an amenable number.

75125438228 is a deficient number, since it is larger than the sum of its proper divisors (57226425472).

75125438228 is a wasteful number, since it uses less digits than its factorization.

75125438228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126049546 (or 126049544 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 47.

The spelling of 75125438228 in words is "seventy-five billion, one hundred twenty-five million, four hundred thirty-eight thousand, two hundred twenty-eight".