68346388 has 36 divisors (see below), whose sum is σ = 135207072. Its totient is φ = 29979040.

The previous prime is 68346373. The next prime is 68346407. The reversal of 68346388 is 88364386.

68346388 is nontrivially palindromic in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36081 + ... + 37927.

It is an arithmetic number, because the mean of its divisors is an integer number (3755752).

Almost surely, 2^68346388 is an apocalyptic number.

It is an amenable number.

68346388 is a deficient number, since it is larger than the sum of its proper divisors (66860684).

68346388 is a wasteful number, since it uses less digits than its factorization.

68346388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920 (or 1889 counting only the distinct ones).

The product of its digits is 663552, while the sum is 46.

The square root of 68346388 is about 8267.1874298337. The cubic root of 68346388 is about 408.8573937466.

The spelling of 68346388 in words is "sixty-eight million, three hundred forty-six thousand, three hundred eighty-eight".