74133116774721 has 6 divisors (see below), whose sum is σ = 107081168674610. Its totient is φ = 49422077849808.

The previous prime is 74133116774701. The next prime is 74133116774729. The reversal of 74133116774721 is 12747761133147.

74133116774721 is a `hidden beast` number, since 7 + 4 + 1 + 3 + 3 + 1 + 167 + 7 + 472 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 51943731840000 + 22189384934721 = 7207200^2 + 4710561^2 .

It is not a de Polignac number, because 74133116774721 - 2⁷ = 74133116774593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74133116774729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4118506487476 + ... + 4118506487493.

Almost surely, 2^{74133116774721} is an apocalyptic number.

It is an amenable number.

74133116774721 is a deficient number, since it is larger than the sum of its proper divisors (32948051899889).

74133116774721 is a wasteful number, since it uses less digits than its factorization.

74133116774721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8237012974975 (or 8237012974972 counting only the distinct ones).

The product of its digits is 4148928, while the sum is 54.

The spelling of 74133116774721 in words is "seventy-four trillion, one hundred thirty-three billion, one hundred sixteen million, seven hundred seventy-four thousand, seven hundred twenty-one".