68444352 has 126 divisors (see below), whose sum is σ = 204968348. Its totient is φ = 22674816.

The previous prime is 68444303. The next prime is 68444371. The reversal of 68444352 is 25344486.

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

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 419823 + ... + 419985.

Almost surely, 2^68444352 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 68444352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102484174).

68444352 is an abundant number, since it is smaller than the sum of its proper divisors (136523996).

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

68444352 is an frugal number, since it uses more digits than its factorization.

68444352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 168 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 68444352 is about 8273.1101769528. The cubic root of 68444352 is about 409.0526451484.

The spelling of 68444352 in words is "sixty-eight million, four hundred forty-four thousand, three hundred fifty-two".