74560545123 has 32 divisors (see below), whose sum is σ = 110852087040. Its totient is φ = 44300805120.

The previous prime is 74560545083. The next prime is 74560545131. The reversal of 74560545123 is 32154506547.

It is not a de Polignac number, because 74560545123 - 2¹³ = 74560536931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74560545193) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 2287128 + ... + 2319498.

It is an arithmetic number, because the mean of its divisors is an integer number (3464127720).

Almost surely, 2^74560545123 is an apocalyptic number.

74560545123 is a deficient number, since it is larger than the sum of its proper divisors (36291541917).

74560545123 is a wasteful number, since it uses less digits than its factorization.

74560545123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34787.

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 74560545123 in words is "seventy-four billion, five hundred sixty million, five hundred forty-five thousand, one hundred twenty-three".