75273816560144 has 10 divisors (see below), whose sum is σ = 145843019585310. Its totient is φ = 37636908280064.

The previous prime is 75273816560099. The next prime is 75273816560191. The reversal of 75273816560144 is 44106561837257.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 37930571088400 + 37343245471744 = 6158780^2 + 6110912^2 .

It is a super-2 number, since 2×75273816560144² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2352306767489 + ... + 2352306767520.

It is an arithmetic number, because the mean of its divisors is an integer number (14584301958531).

Almost surely, 2^{75273816560144} is an apocalyptic number.

It is an amenable number.

75273816560144 is a deficient number, since it is larger than the sum of its proper divisors (70569203025166).

75273816560144 is a wasteful number, since it uses less digits than its factorization.

75273816560144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4704613535017 (or 4704613535011 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 59.

The spelling of 75273816560144 in words is "seventy-five trillion, two hundred seventy-three billion, eight hundred sixteen million, five hundred sixty thousand, one hundred forty-four".