74459128383 has 24 divisors (see below), whose sum is σ = 108428686080. Its totient is φ = 49235219280.

The previous prime is 74459128351. The next prime is 74459128411. The reversal of 74459128383 is 38382195447.

It is a happy number.

74459128383 is a `hidden beast` number, since 7 + 44 + 591 + 2 + 8 + 3 + 8 + 3 = 666.

It is a Cunningham number, because it is equal to 272872²-1.

It is not a de Polignac number, because 74459128383 - 2⁵ = 74459128351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74459128343) 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 23 ways as a sum of consecutive naturals, for example, 2440698 + ... + 2471016.

It is an arithmetic number, because the mean of its divisors is an integer number (4517861920).

Almost surely, 2^74459128383 is an apocalyptic number.

74459128383 is a deficient number, since it is larger than the sum of its proper divisors (33969557697).

74459128383 is a wasteful number, since it uses less digits than its factorization.

74459128383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32539 (or 32536 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 74459128383 in words is "seventy-four billion, four hundred fifty-nine million, one hundred twenty-eight thousand, three hundred eighty-three".