67288268 has 12 divisors (see below), whose sum is σ = 118347600. Its totient is φ = 33474672.

The previous prime is 67288267. The next prime is 67288279. The reversal of 67288268 is 86288276.

It is a super-2 number, since 2×67288268² = 9055422020879648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67288267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41471 + ... + 43062.

It is an arithmetic number, because the mean of its divisors is an integer number (9862300).

Almost surely, 2^67288268 is an apocalyptic number.

It is an amenable number.

67288268 is a deficient number, since it is larger than the sum of its proper divisors (51059332).

67288268 is a wasteful number, since it uses less digits than its factorization.

67288268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84736 (or 84734 counting only the distinct ones).

The product of its digits is 516096, while the sum is 47.

The square root of 67288268 is about 8202.9426427350. The cubic root of 67288268 is about 406.7364713402.

The spelling of 67288268 in words is "sixty-seven million, two hundred eighty-eight thousand, two hundred sixty-eight".