74817228 has 24 divisors (see below), whose sum is σ = 174726720. Its totient is φ = 24917200.

The previous prime is 74817217. The next prime is 74817233. The reversal of 74817228 is 82271847.

74817228 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

74817228 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17503 + ... + 21353.

It is an arithmetic number, because the mean of its divisors is an integer number (7280280).

Almost surely, 2^74817228 is an apocalyptic number.

It is an amenable number.

74817228 is an abundant number, since it is smaller than the sum of its proper divisors (99909492).

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

74817228 is a wasteful number, since it uses less digits than its factorization.

74817228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5477 (or 5475 counting only the distinct ones).

The product of its digits is 50176, while the sum is 39.

The square root of 74817228 is about 8649.6952547474. The cubic root of 74817228 is about 421.3734853868.

The spelling of 74817228 in words is "seventy-four million, eight hundred seventeen thousand, two hundred twenty-eight".