68755072 has 64 divisors (see below), whose sum is σ = 152755200. Its totient is φ = 30633984.

The previous prime is 68755039. The next prime is 68755103. The reversal of 68755072 is 27055786.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40513 + ... + 42175.

It is an arithmetic number, because the mean of its divisors is an integer number (2386800).

Almost surely, 2^68755072 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 68755072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76377600).

68755072 is an abundant number, since it is smaller than the sum of its proper divisors (84000128).

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

68755072 is a wasteful number, since it uses less digits than its factorization.

68755072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713 (or 1701 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 68755072 is about 8291.8678233556. The cubic root of 68755072 is about 409.6707092283.

The spelling of 68755072 in words is "sixty-eight million, seven hundred fifty-five thousand, seventy-two".