68343128 has 32 divisors (see below), whose sum is σ = 155066400. Its totient is φ = 27566592.

The previous prime is 68343091. The next prime is 68343139. The reversal of 68343128 is 82134386.

It is a happy number.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 34943 + ... + 36846.

It is an arithmetic number, because the mean of its divisors is an integer number (4845825).

Almost surely, 2^68343128 is an apocalyptic number.

68343128 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

68343128 is an abundant number, since it is smaller than the sum of its proper divisors (86723272).

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

68343128 is a wasteful number, since it uses less digits than its factorization.

68343128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71819 (or 71815 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 68343128 is about 8266.9902624837. The cubic root of 68343128 is about 408.8508930553.

The spelling of 68343128 in words is "sixty-eight million, three hundred forty-three thousand, one hundred twenty-eight".