74042336 has 48 divisors (see below), whose sum is σ = 157399200. Its totient is φ = 34180608.

The previous prime is 74042333. The next prime is 74042357. The reversal of 74042336 is 63324047.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 74042299 and 74042308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74042333) 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 7 ways as a sum of consecutive naturals, for example, 19610 + ... + 23078.

It is an arithmetic number, because the mean of its divisors is an integer number (3279150).

Almost surely, 2^74042336 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 74042336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78699600).

74042336 is an abundant number, since it is smaller than the sum of its proper divisors (83356864).

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

74042336 is a wasteful number, since it uses less digits than its factorization.

74042336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531 (or 3523 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 74042336 is about 8604.7856452093. The cubic root of 74042336 is about 419.9136935282.

The spelling of 74042336 in words is "seventy-four million, forty-two thousand, three hundred thirty-six".