68241744 has 80 divisors (see below), whose sum is σ = 200106240. Its totient is φ = 22256640.

The previous prime is 68241709. The next prime is 68241763. The reversal of 68241744 is 44714286.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 68241699 and 68241708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18624 + ... + 21984.

It is an arithmetic number, because the mean of its divisors is an integer number (2501328).

Almost surely, 2^68241744 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 68241744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100053120).

68241744 is an abundant number, since it is smaller than the sum of its proper divisors (131864496).

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

68241744 is a wasteful number, since it uses less digits than its factorization.

68241744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3425 (or 3413 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 68241744 is about 8260.8561299662. The cubic root of 68241744 is about 408.6486222787.

The spelling of 68241744 in words is "sixty-eight million, two hundred forty-one thousand, seven hundred forty-four".