75228532778732 has 48 divisors (see below), whose sum is σ = 137609555257440. Its totient is φ = 35960478248448.

The previous prime is 75228532778657. The next prime is 75228532778759. The reversal of 75228532778732 is 23787723582257.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27998507 + ... + 30567522.

It is an arithmetic number, because the mean of its divisors is an integer number (2866865734530).

Almost surely, 2^{75228532778732} is an apocalyptic number.

It is an amenable number.

75228532778732 is a deficient number, since it is larger than the sum of its proper divisors (62381022478708).

75228532778732 is a wasteful number, since it uses less digits than its factorization.

75228532778732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58566242 (or 58566240 counting only the distinct ones).

The product of its digits is 553190400, while the sum is 68.

The spelling of 75228532778732 in words is "seventy-five trillion, two hundred twenty-eight billion, five hundred thirty-two million, seven hundred seventy-eight thousand, seven hundred thirty-two".