74424398 has 8 divisors (see below), whose sum is σ = 111673992. Its totient is φ = 37199736.

The previous prime is 74424379. The next prime is 74424403. The reversal of 74424398 is 89342447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6161 + ... + 13667.

It is an arithmetic number, because the mean of its divisors is an integer number (13959249).

Almost surely, 2^74424398 is an apocalyptic number.

74424398 is a deficient number, since it is larger than the sum of its proper divisors (37249594).

74424398 is a wasteful number, since it uses less digits than its factorization.

74424398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12466.

The product of its digits is 193536, while the sum is 41.

The square root of 74424398 is about 8626.9576329086. The cubic root of 74424398 is about 420.6347130383.

It can be divided in two parts, 7442439 and 8, that added together give a palindrome (7442447).

The spelling of 74424398 in words is "seventy-four million, four hundred twenty-four thousand, three hundred ninety-eight".