67928066 has 8 divisors (see below), whose sum is σ = 104060160. Its totient is φ = 33241348.

The previous prime is 67928011. The next prime is 67928083. The reversal of 67928066 is 66082976.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×67928066³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361226 + ... + 361413.

It is an arithmetic number, because the mean of its divisors is an integer number (13007520).

Almost surely, 2^67928066 is an apocalyptic number.

67928066 is a deficient number, since it is larger than the sum of its proper divisors (36132094).

67928066 is a wasteful number, since it uses less digits than its factorization.

67928066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722688.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 67928066 is about 8241.8484577187. The cubic root of 67928066 is about 408.0215330491.

The spelling of 67928066 in words is "sixty-seven million, nine hundred twenty-eight thousand, sixty-six".