67428268 has 24 divisors (see below), whose sum is σ = 122572800. Its totient is φ = 32432208.

The previous prime is 67428253. The next prime is 67428271. The reversal of 67428268 is 86282476.

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, 8053 + ... + 14131.

It is an arithmetic number, because the mean of its divisors is an integer number (5107200).

Almost surely, 2^67428268 is an apocalyptic number.

It is an amenable number.

67428268 is a deficient number, since it is larger than the sum of its proper divisors (55144532).

67428268 is a wasteful number, since it uses less digits than its factorization.

67428268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6189 (or 6187 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 67428268 is about 8211.4717316691. The cubic root of 67428268 is about 407.0183612907.

The spelling of 67428268 in words is "sixty-seven million, four hundred twenty-eight thousand, two hundred sixty-eight".