75643460052 has 12 divisors (see below), whose sum is σ = 176501406816. Its totient is φ = 25214486680.

The previous prime is 75643459987. The next prime is 75643460059. The reversal of 75643460052 is 25006434657.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 75643459986 and 75643460013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75643460059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3151810824 + ... + 3151810847.

It is an arithmetic number, because the mean of its divisors is an integer number (14708450568).

Almost surely, 2^75643460052 is an apocalyptic number.

It is an amenable number.

75643460052 is an abundant number, since it is smaller than the sum of its proper divisors (100857946764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75643460052 is a wasteful number, since it uses less digits than its factorization.

75643460052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303621678 (or 6303621676 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 75643460052 in words is "seventy-five billion, six hundred forty-three million, four hundred sixty thousand, fifty-two".