68087238 has 16 divisors (see below), whose sum is σ = 136282176. Its totient is φ = 22677800.

The previous prime is 68087233. The next prime is 68087263. The reversal of 68087238 is 83278086.

It is a self number, because there is not a number n which added to its sum of digits gives 68087238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68087233) 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, 5413 + ... + 12863.

It is an arithmetic number, because the mean of its divisors is an integer number (8517636).

Almost surely, 2^68087238 is an apocalyptic number.

68087238 is an abundant number, since it is smaller than the sum of its proper divisors (68194938).

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

68087238 is a wasteful number, since it uses less digits than its factorization.

68087238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8979.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 68087238 is about 8251.4991365206. The cubic root of 68087238 is about 408.3399823805.

The spelling of 68087238 in words is "sixty-eight million, eighty-seven thousand, two hundred thirty-eight".