68838732 has 72 divisors (see below), whose sum is σ = 179459280. Its totient is φ = 22239360.

The previous prime is 68838727. The next prime is 68838733. The reversal of 68838732 is 23783886.

It is not an unprimeable number, because it can be changed into a prime (68838733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207807 + ... + 208137.

It is an arithmetic number, because the mean of its divisors is an integer number (2492490).

Almost surely, 2^68838732 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68838732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89729640).

68838732 is an abundant number, since it is smaller than the sum of its proper divisors (110620548).

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

68838732 is a wasteful number, since it uses less digits than its factorization.

68838732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 498 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 68838732 is about 8296.9109914474. The cubic root of 68838732 is about 409.8368019929.

The spelling of 68838732 in words is "sixty-eight million, eight hundred thirty-eight thousand, seven hundred thirty-two".