104447728 has 80 divisors (see below), whose sum is σ = 267197184. Its totient is φ = 38292480.

The previous prime is 104447723. The next prime is 104447801. The reversal of 104447728 is 827744401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104447723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18451 + ... + 23437.

Almost surely, 2^104447728 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 104447728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133598592).

104447728 is an abundant number, since it is smaller than the sum of its proper divisors (162749456).

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

104447728 is a wasteful number, since it uses less digits than its factorization.

104447728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030 (or 5024 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 37.

The square root of 104447728 is about 10219.9671232348. The cubic root of 104447728 is about 470.9408165472.

The spelling of 104447728 in words is "one hundred four million, four hundred forty-seven thousand, seven hundred twenty-eight".