67995628 has 12 divisors (see below), whose sum is σ = 119085120. Its totient is φ = 33971312.

The previous prime is 67995619. The next prime is 67995643. The reversal of 67995628 is 82659976.

It is a happy number.

It is a super-2 number, since 2×67995628² = 9246810854228768, which contains 22 as substring.

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, 151 + ... + 11662.

It is an arithmetic number, because the mean of its divisors is an integer number (9923760).

Almost surely, 2^67995628 is an apocalyptic number.

It is an amenable number.

67995628 is a deficient number, since it is larger than the sum of its proper divisors (51089492).

67995628 is a wasteful number, since it uses less digits than its factorization.

67995628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13256 (or 13254 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 52.

The square root of 67995628 is about 8245.9461555361. The cubic root of 67995628 is about 408.1567624571.

The spelling of 67995628 in words is "sixty-seven million, nine hundred ninety-five thousand, six hundred twenty-eight".