74434169 has 2 divisors, whose sum is σ = 74434170. Its totient is φ = 74434168.

The previous prime is 74434123. The next prime is 74434237. The reversal of 74434169 is 96143447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69939769 + 4494400 = 8363^2 + 2120^2 .

It is a cyclic number.

It is not a de Polignac number, because 74434169 - 2⁸ = 74433913 is a prime.

It is a super-3 number, since 3×74434169³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (74431169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37217084 + 37217085.

It is an arithmetic number, because the mean of its divisors is an integer number (37217085).

Almost surely, 2^74434169 is an apocalyptic number.

It is an amenable number.

74434169 is a deficient number, since it is larger than the sum of its proper divisors (1).

74434169 is an equidigital number, since it uses as much as digits as its factorization.

74434169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The square root of 74434169 is about 8627.5239205696. The cubic root of 74434169 is about 420.6531202723.

The spelling of 74434169 in words is "seventy-four million, four hundred thirty-four thousand, one hundred sixty-nine".