68031238 has 16 divisors (see below), whose sum is σ = 112066560. Its totient is φ = 30717000.

The previous prime is 68031221. The next prime is 68031239. The reversal of 68031238 is 83213086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68031239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6918 + ... + 13561.

It is an arithmetic number, because the mean of its divisors is an integer number (7004160).

Almost surely, 2^68031238 is an apocalyptic number.

68031238 is a deficient number, since it is larger than the sum of its proper divisors (44035322).

68031238 is a wasteful number, since it uses less digits than its factorization.

68031238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20643.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 68031238 is about 8248.1051157220. The cubic root of 68031238 is about 408.2280019677.

The spelling of 68031238 in words is "sixty-eight million, thirty-one thousand, two hundred thirty-eight".