74393169 has 8 divisors (see below), whose sum is σ = 99624960. Its totient is φ = 49378416.

The previous prime is 74393153. The next prime is 74393177. The reversal of 74393169 is 96139347.

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

It is not a de Polignac number, because 74393169 - 2⁴ = 74393153 is a prime.

It is a super-2 number, since 2×74393169² = 11068687187725122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 74393169.

It is not an unprimeable number, because it can be changed into a prime (74393129) 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 7 ways as a sum of consecutive naturals, for example, 53457 + ... + 54830.

It is an arithmetic number, because the mean of its divisors is an integer number (12453120).

Almost surely, 2^74393169 is an apocalyptic number.

It is an amenable number.

74393169 is a deficient number, since it is larger than the sum of its proper divisors (25231791).

74393169 is a wasteful number, since it uses less digits than its factorization.

74393169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108519.

The product of its digits is 122472, while the sum is 42.

The square root of 74393169 is about 8625.1474770000. The cubic root of 74393169 is about 420.5758710477.

The spelling of 74393169 in words is "seventy-four million, three hundred ninety-three thousand, one hundred sixty-nine".