74446 has 4 divisors (see below), whose sum is σ = 111672. Its totient is φ = 37222.

The previous prime is 74441. The next prime is 74449. The reversal of 74446 is 64447.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 74446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74441) by changing a digit.

74446 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18610 + ... + 18613.

It is an arithmetic number, because the mean of its divisors is an integer number (27918).

2⁷⁴⁴⁴⁶ is an apocalyptic number.

74446 is a deficient number, since it is larger than the sum of its proper divisors (37226).

74446 is a wasteful number, since it uses less digits than its factorization.

74446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37225.

The product of its digits is 2688, while the sum is 25.

The square root of 74446 is about 272.8479430012. The cubic root of 74446 is about 42.0675406110.

Subtracting from 74446 its reverse (64447), we obtain a palindrome (9999).

The spelling of 74446 in words is "seventy-four thousand, four hundred forty-six".