74734336 has 36 divisors (see below), whose sum is σ = 149780232. Its totient is φ = 37216256.

The previous prime is 74734327. The next prime is 74734351. The reversal of 74734336 is 63343747.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 74734295 and 74734304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89955 + ... + 90781.

It is an arithmetic number, because the mean of its divisors is an integer number (4160562).

Almost surely, 2^74734336 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 74734336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74890116).

74734336 is an abundant number, since it is smaller than the sum of its proper divisors (75045896).

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

74734336 is an equidigital number, since it uses as much as digits as its factorization.

74734336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196 (or 1182 counting only the distinct ones).

The product of its digits is 127008, while the sum is 37.

The square root of 74734336 is about 8644.9023129241. The cubic root of 74734336 is about 421.2178109108.

The spelling of 74734336 in words is "seventy-four million, seven hundred thirty-four thousand, three hundred thirty-six".