68239248 has 160 divisors (see below), whose sum is σ = 226176000. Its totient is φ = 17210880.

The previous prime is 68239247. The next prime is 68239261. The reversal of 68239248 is 84293286.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (68239243) 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 31 ways as a sum of consecutive naturals, for example, 136503 + ... + 137001.

It is an arithmetic number, because the mean of its divisors is an integer number (1413600).

Almost surely, 2^68239248 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 68239248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113088000).

68239248 is an abundant number, since it is smaller than the sum of its proper divisors (157936752).

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

68239248 is a wasteful number, since it uses less digits than its factorization.

68239248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 559 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 68239248 is about 8260.7050546548. The cubic root of 68239248 is about 408.6436399940.

The spelling of 68239248 in words is "sixty-eight million, two hundred thirty-nine thousand, two hundred forty-eight".