68784448 has 56 divisors (see below), whose sum is σ = 145718784. Its totient is φ = 32102400.

The previous prime is 68784413. The next prime is 68784473. The reversal of 68784448 is 84448786.

It is a congruent number.

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, 207643 + ... + 207973.

Almost surely, 2^68784448 is an apocalyptic number.

68784448 is a gapful number since it is divisible by the number (68) 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 68784448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72859392).

68784448 is an abundant number, since it is smaller than the sum of its proper divisors (76934336).

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

68784448 is a wasteful number, since it uses less digits than its factorization.

68784448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 541 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 49.

The square root of 68784448 is about 8293.6390083003. The cubic root of 68784448 is about 409.7290456432.

The spelling of 68784448 in words is "sixty-eight million, seven hundred eighty-four thousand, four hundred forty-eight".