68968128 has 28 divisors (see below), whose sum is σ = 182478680. Its totient is φ = 22989312.

The previous prime is 68968127. The next prime is 68968139. The reversal of 68968128 is 82186986.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (68968121) 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, 179413 + ... + 179796.

Almost surely, 2^68968128 is an apocalyptic number.

It is an amenable number.

68968128 is an abundant number, since it is smaller than the sum of its proper divisors (113510552).

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

68968128 is a wasteful number, since it uses less digits than its factorization.

68968128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359224 (or 359214 counting only the distinct ones).

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

The square root of 68968128 is about 8304.7051723707. The cubic root of 68968128 is about 410.0934310174.

It can be divided in two parts, 68968 and 128, that added together give a palindrome (69096).

The spelling of 68968128 in words is "sixty-eight million, nine hundred sixty-eight thousand, one hundred twenty-eight".