68444700 has 72 divisors (see below), whose sum is σ = 198914352. Its totient is φ = 18170880.

The previous prime is 68444693. The next prime is 68444741. The reversal of 68444700 is 744486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100762 + ... + 101438.

Almost surely, 2^68444700 is an apocalyptic number.

68444700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68444700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99457176).

68444700 is an abundant number, since it is smaller than the sum of its proper divisors (130469652).

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

68444700 is a wasteful number, since it uses less digits than its factorization.

68444700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 68444700 is about 8273.1312089196. The cubic root of 68444700 is about 409.0533384127.

The spelling of 68444700 in words is "sixty-eight million, four hundred forty-four thousand, seven hundred".