74408645205 has 96 divisors (see below), whose sum is σ = 135952846848. Its totient is φ = 37597824000.

The previous prime is 74408645173. The next prime is 74408645251. The reversal of 74408645205 is 50254680447.

74408645205 is a `hidden beast` number, since 7 + 4 + 40 + 86 + 4 + 520 + 5 = 666.

It is not a de Polignac number, because 74408645205 - 2⁵ = 74408645173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 95 ways as a sum of consecutive naturals, for example, 64646380 + ... + 64647530.

It is an arithmetic number, because the mean of its divisors is an integer number (1416175488).

Almost surely, 2^74408645205 is an apocalyptic number.

It is an amenable number.

74408645205 is a deficient number, since it is larger than the sum of its proper divisors (61544201643).

74408645205 is a wasteful number, since it uses less digits than its factorization.

74408645205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187 (or 2184 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

The spelling of 74408645205 in words is "seventy-four billion, four hundred eight million, six hundred forty-five thousand, two hundred five".