68075744 has 96 divisors (see below), whose sum is σ = 154314720. Its totient is φ = 29286400.

The previous prime is 68075741. The next prime is 68075747. The reversal of 68075744 is 44757086.

It is an interprime number because it is at equal distance from previous prime (68075741) and next prime (68075747).

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68075741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764852 + ... + 764940.

It is an arithmetic number, because the mean of its divisors is an integer number (1607445).

Almost surely, 2^68075744 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 68075744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77157360).

68075744 is an abundant number, since it is smaller than the sum of its proper divisors (86238976).

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

68075744 is a wasteful number, since it uses less digits than its factorization.

68075744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 68075744 is about 8250.8026276236. The cubic root of 68075744 is about 408.3170034101.

The spelling of 68075744 in words is "sixty-eight million, seventy-five thousand, seven hundred forty-four".