68805444 has 24 divisors (see below), whose sum is σ = 161358400. Its totient is φ = 22819104.

The previous prime is 68805439. The next prime is 68805467. The reversal of 68805444 is 44450886.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12019 + ... + 16794.

Almost surely, 2^68805444 is an apocalyptic number.

It is an amenable number.

68805444 is an abundant number, since it is smaller than the sum of its proper divisors (92552956).

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

68805444 is a wasteful number, since it uses less digits than its factorization.

68805444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29019 (or 29017 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 68805444 is about 8294.9047010801. The cubic root of 68805444 is about 409.7707304336.

The spelling of 68805444 in words is "sixty-eight million, eight hundred five thousand, four hundred forty-four".