74844224 has 112 divisors (see below), whose sum is σ = 186391296. Its totient is φ = 29030400.

The previous prime is 74844197. The next prime is 74844227. The reversal of 74844224 is 42244847.

It is a tau number, because it is divible by the number of its divisors (112).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74844227) 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, 413414 + ... + 413594.

It is an arithmetic number, because the mean of its divisors is an integer number (1664208).

Almost surely, 2^74844224 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 74844224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93195648).

74844224 is an abundant number, since it is smaller than the sum of its proper divisors (111547072).

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

74844224 is a wasteful number, since it uses less digits than its factorization.

74844224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 274 counting only the distinct ones).

The product of its digits is 57344, while the sum is 35.

The square root of 74844224 is about 8651.2556314098. The cubic root of 74844224 is about 421.4241601267.

The spelling of 74844224 in words is "seventy-four million, eight hundred forty-four thousand, two hundred twenty-four".