68819628 has 24 divisors (see below), whose sum is σ = 165760000. Its totient is φ = 22199760.

The previous prime is 68819603. The next prime is 68819629. The reversal of 68819628 is 82691886.

It is a super-2 number, since 2×68819628² = 9472282396116768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68819629) 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 7 ways as a sum of consecutive naturals, for example, 92128 + ... + 92871.

Almost surely, 2^68819628 is an apocalyptic number.

It is an amenable number.

68819628 is an abundant number, since it is smaller than the sum of its proper divisors (96940372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68819628 is a wasteful number, since it uses less digits than its factorization.

68819628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185037 (or 185035 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

The square root of 68819628 is about 8295.7596397196. The cubic root of 68819628 is about 409.7988860967.

The spelling of 68819628 in words is "sixty-eight million, eight hundred nineteen thousand, six hundred twenty-eight".