68237238 has 16 divisors (see below), whose sum is σ = 136635840. Its totient is φ = 22718856.

The previous prime is 68237209. The next prime is 68237249. The reversal of 68237238 is 83273286.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68237196 and 68237205.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 828 + ... + 11711.

It is an arithmetic number, because the mean of its divisors is an integer number (8539740).

Almost surely, 2^68237238 is an apocalyptic number.

68237238 is an abundant number, since it is smaller than the sum of its proper divisors (68398602).

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

68237238 is a wasteful number, since it uses less digits than its factorization.

68237238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13451.

The product of its digits is 96768, while the sum is 39.

The square root of 68237238 is about 8260.5833934414. The cubic root of 68237238 is about 408.6396277293.

The spelling of 68237238 in words is "sixty-eight million, two hundred thirty-seven thousand, two hundred thirty-eight".