74912336 has 40 divisors (see below), whose sum is σ = 158996520. Its totient is φ = 34033664.

The previous prime is 74912329. The next prime is 74912377. The reversal of 74912336 is 63321947.

It can be written as a sum of positive squares in 4 ways, for example, as 5290000 + 69622336 = 2300^2 + 8344^2 .

It is a super-2 number, since 2×74912336² = 11223716169953792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74912296 and 74912305.

It is a congruent number.

It is an unprimeable number.

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, 3140 + ... + 12636.

It is an arithmetic number, because the mean of its divisors is an integer number (3974913).

Almost surely, 2^74912336 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 74912336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79498260).

74912336 is an abundant number, since it is smaller than the sum of its proper divisors (84084184).

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

74912336 is a wasteful number, since it uses less digits than its factorization.

74912336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9551 (or 9545 counting only the distinct ones).

The product of its digits is 27216, while the sum is 35.

The square root of 74912336 is about 8655.1912746051. The cubic root of 74912336 is about 421.5519604115.

The spelling of 74912336 in words is "seventy-four million, nine hundred twelve thousand, three hundred thirty-six".