74553128506 has 16 divisors (see below), whose sum is σ = 114033049344. Its totient is φ = 36543264784.

The previous prime is 74553128501. The next prime is 74553128513. The reversal of 74553128506 is 60582135547.

It is not an unprimeable number, because it can be changed into a prime (74553128501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157906 + ... + 417181.

It is an arithmetic number, because the mean of its divisors is an integer number (7127065584).

Almost surely, 2^74553128506 is an apocalyptic number.

74553128506 is a deficient number, since it is larger than the sum of its proper divisors (39479920838).

74553128506 is a wasteful number, since it uses less digits than its factorization.

74553128506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576365.

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 74553128506 in words is "seventy-four billion, five hundred fifty-three million, one hundred twenty-eight thousand, five hundred six".