67354228 has 12 divisors (see below), whose sum is σ = 118000260. Its totient is φ = 33639872.

The previous prime is 67354219. The next prime is 67354241. The reversal of 67354228 is 82245376.

It can be written as a sum of positive squares in 2 ways, for example, as 20322064 + 47032164 = 4508^2 + 6858^2 .

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 3 ways as a sum of consecutive naturals, for example, 5023 + ... + 12646.

It is an arithmetic number, because the mean of its divisors is an integer number (9833355).

Almost surely, 2^67354228 is an apocalyptic number.

It is an amenable number.

67354228 is a deficient number, since it is larger than the sum of its proper divisors (50646032).

67354228 is a wasteful number, since it uses less digits than its factorization.

67354228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18626 (or 18624 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 67354228 is about 8206.9621663561. The cubic root of 67354228 is about 406.8693304401.

The spelling of 67354228 in words is "sixty-seven million, three hundred fifty-four thousand, two hundred twenty-eight".