75384220920724 has 24 divisors (see below), whose sum is σ = 132043547956320. Its totient is φ = 37657494072864.

The previous prime is 75384220920719. The next prime is 75384220920727. The reversal of 75384220920724 is 42702902248357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75384220920727) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 380700567 + ... + 380898529.

It is an arithmetic number, because the mean of its divisors is an integer number (5501814498180).

Almost surely, 2^{75384220920724} is an apocalyptic number.

It is an amenable number.

75384220920724 is a deficient number, since it is larger than the sum of its proper divisors (56659327035596).

75384220920724 is a wasteful number, since it uses less digits than its factorization.

75384220920724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284919 (or 284917 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 55.

The spelling of 75384220920724 in words is "seventy-five trillion, three hundred eighty-four billion, two hundred twenty million, nine hundred twenty thousand, seven hundred twenty-four".