74506 has 4 divisors (see below), whose sum is σ = 111762. Its totient is φ = 37252.

The previous prime is 74489. The next prime is 74507. The reversal of 74506 is 60547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60547 = 191 ⋅317.

It can be written as a sum of positive squares in only one way, i.e., 38025 + 36481 = 195^2 + 191^2 .

It is a super-2 number, since 2×74506² = 11102288072, which contains 22 as substring.

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 not an unprimeable number, because it can be changed into a prime (74507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18625 + ... + 18628.

2⁷⁴⁵⁰⁶ is an apocalyptic number.

74506 is a deficient number, since it is larger than the sum of its proper divisors (37256).

74506 is a wasteful number, since it uses less digits than its factorization.

74506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37255.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 74506 is about 272.9578722074. The cubic root of 74506 is about 42.0788390674.

The spelling of 74506 in words is "seventy-four thousand, five hundred six".