74481 has 16 divisors (see below), whose sum is σ = 113088. Its totient is φ = 43200.

The previous prime is 74471. The next prime is 74489. The reversal of 74481 is 18447.

It is not a de Polignac number, because 74481 - 2⁵ = 74449 is a prime.

It is a super-2 number, since 2×74481² = 11094838722, which contains 22 as substring.

Its product of digits (896) is a multiple of the sum of its prime divisors (112).

It is not an unprimeable number, because it can be changed into a prime (74489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1191 + ... + 1251.

It is an arithmetic number, because the mean of its divisors is an integer number (7068).

2⁷⁴⁴⁸¹ is an apocalyptic number.

It is an amenable number.

74481 is a deficient number, since it is larger than the sum of its proper divisors (38607).

74481 is a wasteful number, since it uses less digits than its factorization.

74481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112.

The product of its digits is 896, while the sum is 24.

The square root of 74481 is about 272.9120737527. The cubic root of 74481 is about 42.0741321147.

It can be divided in two parts, 74 and 481, that added together give a palindrome (555).

The spelling of 74481 in words is "seventy-four thousand, four hundred eighty-one".