104743728 has 60 divisors (see below), whose sum is σ = 295302280. Its totient is φ = 34656768.

The previous prime is 104743721. The next prime is 104743733. The reversal of 104743728 is 827347401.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 104743692 and 104743701.

It is not an unprimeable number, because it can be changed into a prime (104743721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17400 + ... + 22632.

Almost surely, 2^104743728 is an apocalyptic number.

104743728 is a gapful number since it is divisible by the number (18) 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 104743728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147651140).

104743728 is an abundant number, since it is smaller than the sum of its proper divisors (190558552).

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

104743728 is a wasteful number, since it uses less digits than its factorization.

104743728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5386 (or 5377 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 104743728 is about 10234.4383333918. The cubic root of 104743728 is about 471.3852717414.

The spelling of 104743728 in words is "one hundred four million, seven hundred forty-three thousand, seven hundred twenty-eight".