68828428 has 6 divisors (see below), whose sum is σ = 120449756. Its totient is φ = 34414212.

The previous prime is 68828341. The next prime is 68828447. The reversal of 68828428 is 82482886.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8603550 + ... + 8603557.

Almost surely, 2^68828428 is an apocalyptic number.

It is an amenable number.

68828428 is a deficient number, since it is larger than the sum of its proper divisors (51621328).

68828428 is a wasteful number, since it uses less digits than its factorization.

68828428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17207111 (or 17207109 counting only the distinct ones).

The product of its digits is 393216, while the sum is 46.

The square root of 68828428 is about 8296.2900142172. The cubic root of 68828428 is about 409.8163524146.

The spelling of 68828428 in words is "sixty-eight million, eight hundred twenty-eight thousand, four hundred twenty-eight".