74843328 has 112 divisors (see below), whose sum is σ = 228234240. Its totient is φ = 21202944.

The previous prime is 74843297. The next prime is 74843339. The reversal of 74843328 is 82334847.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×74843328² = 11203047492231168, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313033 + ... + 313271.

Almost surely, 2^74843328 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 74843328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114117120).

74843328 is an abundant number, since it is smaller than the sum of its proper divisors (153390912).

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

74843328 is a wasteful number, since it uses less digits than its factorization.

74843328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 484 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 74843328 is about 8651.2038468643. The cubic root of 74843328 is about 421.4224784225.

The spelling of 74843328 in words is "seventy-four million, eight hundred forty-three thousand, three hundred twenty-eight".