68738236 has 24 divisors (see below), whose sum is σ = 142218720. Its totient is φ = 28443072.

The previous prime is 68738233. The next prime is 68738249. The reversal of 68738236 is 63283786.

It is a junction number, because it is equal to n+sod(n) for n = 68738192 and 68738201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68738231) 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 7 ways as a sum of consecutive naturals, for example, 41515 + ... + 43138.

It is an arithmetic number, because the mean of its divisors is an integer number (5925780).

Almost surely, 2^68738236 is an apocalyptic number.

It is an amenable number.

68738236 is an abundant number, since it is smaller than the sum of its proper divisors (73480484).

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

68738236 is a wasteful number, since it uses less digits than its factorization.

68738236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84693 (or 84691 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 68738236 is about 8290.8525496477. The cubic root of 68738236 is about 409.6372679179.

The spelling of 68738236 in words is "sixty-eight million, seven hundred thirty-eight thousand, two hundred thirty-six".