74404109 has 6 divisors (see below), whose sum is σ = 80567946. Its totient is φ = 68680560.

The previous prime is 74404097. The next prime is 74404117. The reversal of 74404109 is 90140447.

It can be written as a sum of positive squares in 3 ways, for example, as 4012009 + 70392100 = 2003^2 + 8390^2 .

It is not a de Polignac number, because 74404109 - 2⁸ = 74403853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74404129) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 219962 + ... + 220299.

It is an arithmetic number, because the mean of its divisors is an integer number (13427991).

Almost surely, 2^74404109 is an apocalyptic number.

It is an amenable number.

74404109 is a deficient number, since it is larger than the sum of its proper divisors (6163837).

74404109 is a wasteful number, since it uses less digits than its factorization.

74404109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440287 (or 440274 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 74404109 is about 8625.7816457409. The cubic root of 74404109 is about 420.5964861775.

The spelling of 74404109 in words is "seventy-four million, four hundred four thousand, one hundred nine".