74205045612 has 18 divisors (see below), whose sum is σ = 187573865388. Its totient is φ = 24735015192.

The previous prime is 74205045581. The next prime is 74205045637. The reversal of 74205045612 is 21654050247.

It is a happy number.

74205045612 is a `hidden beast` number, since 7 + 42 + 0 + 50 + 4 + 561 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2061251267 = 74205045612 / (7 + 4 + 2 + 0 + 5 + 0 + 4 + 5 + 6 + 1 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1030625598 + ... + 1030625669.

Almost surely, 2^74205045612 is an apocalyptic number.

It is an amenable number.

74205045612 is an abundant number, since it is smaller than the sum of its proper divisors (113368819776).

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

74205045612 is a wasteful number, since it uses less digits than its factorization.

74205045612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061251277 (or 2061251272 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

Adding to 74205045612 its reverse (21654050247), we get a palindrome (95859095859).

The spelling of 74205045612 in words is "seventy-four billion, two hundred five million, forty-five thousand, six hundred twelve".