74244 has 24 divisors (see below), whose sum is σ = 181440. Its totient is φ = 23584.

The previous prime is 74231. The next prime is 74257. The reversal of 74244 is 44247.

It is an interprime number because it is at equal distance from previous prime (74231) and next prime (74257).

It is a self number, because there is not a number n which added to its sum of digits gives 74244.

It is a congruent number.

It is an unprimeable number.

74244 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 in 7 ways as a sum of consecutive naturals, for example, 142 + ... + 410.

It is an arithmetic number, because the mean of its divisors is an integer number (7560).

2⁷⁴²⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90720).

74244 is an abundant number, since it is smaller than the sum of its proper divisors (107196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74244 is a wasteful number, since it uses less digits than its factorization.

74244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 297 counting only the distinct ones).

The product of its digits is 896, while the sum is 21.

The square root of 74244 is about 272.4775220087. The cubic root of 74244 is about 42.0294577922.

The spelling of 74244 in words is "seventy-four thousand, two hundred forty-four", and thus it is an iban number.