68242944 has 160 divisors (see below), whose sum is σ = 227056896. Its totient is φ = 17694720.

The previous prime is 68242943. The next prime is 68242969. The reversal of 68242944 is 44924286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68242943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117984 + ... + 118560.

Almost surely, 2^68242944 is an apocalyptic number.

68242944 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68242944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113528448).

68242944 is an abundant number, since it is smaller than the sum of its proper divisors (158813952).

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

68242944 is a wasteful number, since it uses less digits than its factorization.

68242944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616 (or 600 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 68242944 is about 8260.9287613440. The cubic root of 68242944 is about 408.6510175647.

The spelling of 68242944 in words is "sixty-eight million, two hundred forty-two thousand, nine hundred forty-four".