74193372 has 144 divisors (see below), whose sum is σ = 220776192. Its totient is φ = 20759040.

The previous prime is 74193359. The next prime is 74193373. The reversal of 74193372 is 27339147.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74193373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 693343 + ... + 693449.

It is an arithmetic number, because the mean of its divisors is an integer number (1533168).

Almost surely, 2^74193372 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 74193372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110388096).

74193372 is an abundant number, since it is smaller than the sum of its proper divisors (146582820).

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

74193372 is a wasteful number, since it uses less digits than its factorization.

74193372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 243 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 74193372 is about 8613.5574532245. The cubic root of 74193372 is about 420.1990213231.

The spelling of 74193372 in words is "seventy-four million, one hundred ninety-three thousand, three hundred seventy-two".