74434 has 4 divisors (see below), whose sum is σ = 111654. Its totient is φ = 37216.

The previous prime is 74419. The next prime is 74441. The reversal of 74434 is 43447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43447 = 23 ⋅1889.

It can be written as a sum of positive squares in only one way, i.e., 65025 + 9409 = 255^2 + 97^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18607 + ... + 18610.

2⁷⁴⁴³⁴ is an apocalyptic number.

74434 is a deficient number, since it is larger than the sum of its proper divisors (37220).

74434 is a wasteful number, since it uses less digits than its factorization.

74434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37219.

The product of its digits is 1344, while the sum is 22.

The square root of 74434 is about 272.8259518448. The cubic root of 74434 is about 42.0652801913.

It can be divided in two parts, 7443 and 4, that added together give a palindrome (7447).

The spelling of 74434 in words is "seventy-four thousand, four hundred thirty-four".