74185049043 has 40 divisors (see below), whose sum is σ = 126728608512. Its totient is φ = 42365487024.

The previous prime is 74185049027. The next prime is 74185049047. The reversal of 74185049043 is 34094058147.

74185049043 is a `hidden beast` number, since 7 + 4 + 18 + 504 + 90 + 43 = 666.

It is not a de Polignac number, because 74185049043 - 2⁴ = 74185049027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74185049043.

It is not an unprimeable number, because it can be changed into a prime (74185049047) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 905946 + ... + 984432.

Almost surely, 2^74185049043 is an apocalyptic number.

74185049043 is a deficient number, since it is larger than the sum of its proper divisors (52543559469).

74185049043 is a wasteful number, since it uses less digits than its factorization.

74185049043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80173 (or 80164 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 74185049043 in words is "seventy-four billion, one hundred eighty-five million, forty-nine thousand, forty-three".