75450645204 has 48 divisors (see below), whose sum is σ = 192113703936. Its totient is φ = 22856984800.

The previous prime is 75450645139. The next prime is 75450645271. The reversal of 75450645204 is 40254605457.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365839 + ... + 533609.

It is an arithmetic number, because the mean of its divisors is an integer number (4002368832).

Almost surely, 2^75450645204 is an apocalyptic number.

It is an amenable number.

75450645204 is an abundant number, since it is smaller than the sum of its proper divisors (116663058732).

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

75450645204 is a wasteful number, since it uses less digits than its factorization.

75450645204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171196 (or 171194 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 42.

The spelling of 75450645204 in words is "seventy-five billion, four hundred fifty million, six hundred forty-five thousand, two hundred four".