74228286 has 32 divisors (see below), whose sum is σ = 165908736. Its totient is φ = 21944000.

The previous prime is 74228279. The next prime is 74228293. The reversal of 74228286 is 68282247.

It is an interprime number because it is at equal distance from previous prime (74228279) and next prime (74228293).

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 15 ways as a sum of consecutive naturals, for example, 11010 + ... + 16421.

It is an arithmetic number, because the mean of its divisors is an integer number (5184648).

Almost surely, 2^74228286 is an apocalyptic number.

74228286 is an abundant number, since it is smaller than the sum of its proper divisors (91680450).

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

74228286 is a wasteful number, since it uses less digits than its factorization.

74228286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27488.

The product of its digits is 86016, while the sum is 39.

The square root of 74228286 is about 8615.5839036017. The cubic root of 74228286 is about 420.2649235619.

The spelling of 74228286 in words is "seventy-four million, two hundred twenty-eight thousand, two hundred eighty-six".