75130323450625 has 15 divisors (see below), whose sum is σ = 93883122965973. Its totient is φ = 60104085405000.

The previous prime is 75130323450607. The next prime is 75130323450643. The reversal of 75130323450625 is 52605432303157.

The square root of 75130323450625 is 8667775.

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

It is an interprime number because it is at equal distance from previous prime (75130323450607) and next prime (75130323450643).

It can be written as a sum of positive squares in 2 ways, for example, as 5890217358529 + 69240106092096 = 2426977^2 + 8321064^2 .

It is not a de Polignac number, because 75130323450625 - 2¹¹ = 75130323448577 is a prime.

It is a super-4 number, since 4×75130323450625⁴ (a number of 57 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 216521020 + ... + 216867730.

Almost surely, 2^{75130323450625} is an apocalyptic number.

75130323450625 is the 8667775-th square number.

75130323450625 is the 4333888-th centered octagonal number.

It is an amenable number.

75130323450625 is a deficient number, since it is larger than the sum of its proper divisors (18752799515348).

75130323450625 is an frugal number, since it uses more digits than its factorization.

75130323450625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693442 (or 346716 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 46.

The spelling of 75130323450625 in words is "seventy-five trillion, one hundred thirty billion, three hundred twenty-three million, four hundred fifty thousand, six hundred twenty-five".