74852224 has 64 divisors (see below), whose sum is σ = 161935200. Its totient is φ = 34324480.

The previous prime is 74852203. The next prime is 74852227. The reversal of 74852224 is 42225847.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 74852224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74852227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88797 + ... + 89635.

Almost surely, 2^74852224 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 74852224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80967600).

74852224 is an abundant number, since it is smaller than the sum of its proper divisors (87082976).

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

74852224 is a wasteful number, since it uses less digits than its factorization.

74852224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911 (or 899 counting only the distinct ones).

The product of its digits is 35840, while the sum is 34.

The square root of 74852224 is about 8651.7179796847. The cubic root of 74852224 is about 421.4391747486.

It can be divided in two parts, 74852 and 224, that added together give a square (75076 = 274²).

The spelling of 74852224 in words is "seventy-four million, eight hundred fifty-two thousand, two hundred twenty-four".