74437 has 8 divisors (see below), whose sum is σ = 83232. Its totient is φ = 66000.

The previous prime is 74419. The next prime is 74441. The reversal of 74437 is 73447.

It is a happy number.

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

It is not a de Polignac number, because 74437 - 2¹⁵ = 41669 is a prime.

It is a d-powerful number, because it can be written as 7⁴ + 4⁶ + 4⁸ + 3 + 7⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687 + ... + 787.

It is an arithmetic number, because the mean of its divisors is an integer number (10404).

2⁷⁴⁴³⁷ is an apocalyptic number.

It is an amenable number.

74437 is a deficient number, since it is larger than the sum of its proper divisors (8795).

74437 is a wasteful number, since it uses less digits than its factorization.

74437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179.

The product of its digits is 2352, while the sum is 25.

The square root of 74437 is about 272.8314498001. The cubic root of 74437 is about 42.0658453190.

Subtracting from 74437 its reverse (73447), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 7 and 4437, that added together give a palindrome (4444).

The spelling of 74437 in words is "seventy-four thousand, four hundred thirty-seven".