74769984135 has 192 divisors, whose sum is σ = 168116981760. Its totient is φ = 29828736000.

The previous prime is 74769984083. The next prime is 74769984143. The reversal of 74769984135 is 53148996747.

74769984135 is a `hidden beast` number, since 7 + 476 + 9 + 98 + 41 + 35 = 666.

It is not a de Polignac number, because 74769984135 - 2¹⁵ = 74769951367 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

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 in 191 ways as a sum of consecutive naturals, for example, 18185730 + ... + 18189840.

It is an arithmetic number, because the mean of its divisors is an integer number (875609280).

Almost surely, 2^74769984135 is an apocalyptic number.

74769984135 is an abundant number, since it is smaller than the sum of its proper divisors (93346997625).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74769984135 is a wasteful number, since it uses less digits than its factorization.

74769984135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350 (or 4347 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The spelling of 74769984135 in words is "seventy-four billion, seven hundred sixty-nine million, nine hundred eighty-four thousand, one hundred thirty-five".