74404138 has 16 divisors (see below), whose sum is σ = 118359360. Its totient is φ = 34958016.

The previous prime is 74404129. The next prime is 74404157. The reversal of 74404138 is 83140447.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26653 + ... + 29311.

It is an arithmetic number, because the mean of its divisors is an integer number (7397460).

Almost surely, 2^74404138 is an apocalyptic number.

74404138 is a deficient number, since it is larger than the sum of its proper divisors (43955222).

74404138 is a wasteful number, since it uses less digits than its factorization.

74404138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3501.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 74404138 is about 8625.7833267478. The cubic root of 74404138 is about 420.5965408218.

The spelling of 74404138 in words is "seventy-four million, four hundred four thousand, one hundred thirty-eight".