74429 has 4 divisors (see below), whose sum is σ = 74976. Its totient is φ = 73884.

The previous prime is 74419. The next prime is 74441. The reversal of 74429 is 92447.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 92447 = 193 ⋅479.

It is a cyclic number.

It is not a de Polignac number, because 74429 - 2⁴ = 74413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 74398 and 74407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122 + ... + 404.

It is an arithmetic number, because the mean of its divisors is an integer number (18744).

2⁷⁴⁴²⁹ is an apocalyptic number.

It is an amenable number.

74429 is a deficient number, since it is larger than the sum of its proper divisors (547).

74429 is a wasteful number, since it uses less digits than its factorization.

74429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546.

The product of its digits is 2016, while the sum is 26.

The square root of 74429 is about 272.8167883397. The cubic root of 74429 is about 42.0643382781.

The spelling of 74429 in words is "seventy-four thousand, four hundred twenty-nine".