68343933 has 32 divisors (see below), whose sum is σ = 108175360. Its totient is φ = 37558080.

The previous prime is 68343929. The next prime is 68343941. The reversal of 68343933 is 33934386.

It is not a de Polignac number, because 68343933 - 2² = 68343929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68343891 and 68343900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68347933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180138 + ... + 180516.

It is an arithmetic number, because the mean of its divisors is an integer number (3380480).

Almost surely, 2^68343933 is an apocalyptic number.

It is an amenable number.

68343933 is a deficient number, since it is larger than the sum of its proper divisors (39831427).

68343933 is a wasteful number, since it uses less digits than its factorization.

68343933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697.

The product of its digits is 139968, while the sum is 39.

The square root of 68343933 is about 8267.0389499506. The cubic root of 68343933 is about 408.8524983066.

The spelling of 68343933 in words is "sixty-eight million, three hundred forty-three thousand, nine hundred thirty-three".