75725169484441 has 9 divisors (see below), whose sum is σ = 75781957906389. Its totient is φ = 75668423605500.

The previous prime is 75725169484421. The next prime is 75725169484453. The reversal of 75725169484441 is 14448496152757.

The square root of 75725169484441 is 8702021.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 75725169484441 - 2⁴³ = 66929076462233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75725169484421) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16281478966 + ... + 16281483616.

Almost surely, 2^{75725169484441} is an apocalyptic number.

75725169484441 is the 8702021-st square number.

75725169484441 is the 4351011-st centered octagonal number.

It is an amenable number.

75725169484441 is a deficient number, since it is larger than the sum of its proper divisors (56788421948).

75725169484441 is an frugal number, since it uses more digits than its factorization.

75725169484441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13044 (or 6522 counting only the distinct ones).

The product of its digits is 270950400, while the sum is 67.

The spelling of 75725169484441 in words is "seventy-five trillion, seven hundred twenty-five billion, one hundred sixty-nine million, four hundred eighty-four thousand, four hundred forty-one".