74386228 has 24 divisors (see below), whose sum is σ = 149010624. Its totient is φ = 31828800.

The previous prime is 74386219. The next prime is 74386231. The reversal of 74386228 is 82268347.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 19563 + ... + 23053.

It is an arithmetic number, because the mean of its divisors is an integer number (6208776).

Almost surely, 2^74386228 is an apocalyptic number.

It is an amenable number.

74386228 is an abundant number, since it is smaller than the sum of its proper divisors (74624396).

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

74386228 is a wasteful number, since it uses less digits than its factorization.

74386228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4263 (or 4261 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 74386228 is about 8624.7450976826. The cubic root of 74386228 is about 420.5627905101.

The spelling of 74386228 in words is "seventy-four million, three hundred eighty-six thousand, two hundred twenty-eight".