68917528 has 16 divisors (see below), whose sum is σ = 130208760. Its totient is φ = 34195200.

The previous prime is 68917517. The next prime is 68917529. The reversal of 68917528 is 82571986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68917529) 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, 31833 + ... + 33928.

Almost surely, 2^68917528 is an apocalyptic number.

It is an amenable number.

68917528 is a deficient number, since it is larger than the sum of its proper divisors (61291232).

68917528 is a wasteful number, since it uses less digits than its factorization.

68917528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65898 (or 65894 counting only the distinct ones).

The product of its digits is 241920, while the sum is 46.

The square root of 68917528 is about 8301.6581476233. The cubic root of 68917528 is about 409.9931150936.

The spelling of 68917528 in words is "sixty-eight million, nine hundred seventeen thousand, five hundred twenty-eight".