75063396529 has 9 divisors (see below), whose sum is σ = 82511013081. Its totient is φ = 68236711620.

The previous prime is 75063396517. The next prime is 75063396587. The reversal of 75063396529 is 92569336057.

The square root of 75063396529 is 273977.

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

It is a de Polignac number, because none of the positive numbers 2^k-75063396529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75063396529.

It is not an unprimeable number, because it can be changed into a prime (75063396029) 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, 3001294 + ... + 3026200.

Almost surely, 2^75063396529 is an apocalyptic number.

75063396529 is the 273977-th square number.

75063396529 is the 136989-th centered octagonal number.

It is an amenable number.

75063396529 is a deficient number, since it is larger than the sum of its proper divisors (7447616552).

75063396529 is an frugal number, since it uses more digits than its factorization.

75063396529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49836 (or 24918 counting only the distinct ones).

The product of its (nonzero) digits is 9185400, while the sum is 55.

The spelling of 75063396529 in words is "seventy-five billion, sixty-three million, three hundred ninety-six thousand, five hundred twenty-nine".