200791728 has 60 divisors (see below), whose sum is σ = 563974320. Its totient is φ = 66688128.

The previous prime is 200791673. The next prime is 200791757. The reversal of 200791728 is 827197002.

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 = 200791692 and 200791701.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39813 + ... + 44571.

It is an arithmetic number, because the mean of its divisors is an integer number (9399572).

Almost surely, 2^200791728 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 200791728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281987160).

200791728 is an abundant number, since it is smaller than the sum of its proper divisors (363182592).

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

200791728 is a wasteful number, since it uses less digits than its factorization.

200791728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5066 (or 5057 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 200791728 is about 14170.0997879337. The cubic root of 200791728 is about 585.5742071861.

The spelling of 200791728 in words is "two hundred million, seven hundred ninety-one thousand, seven hundred twenty-eight".