333727728 has 80 divisors (see below), whose sum is σ = 878860416. Its totient is φ = 109105920.

The previous prime is 333727717. The next prime is 333727729. The reversal of 333727728 is 827727333.

It is a super-2 number, since 2×333727728² = 222748392872083968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 333727728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (333727729) 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, 840426 + ... + 840822.

Almost surely, 2^333727728 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 333727728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439430208).

333727728 is an abundant number, since it is smaller than the sum of its proper divisors (545132688).

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

333727728 is a wasteful number, since it uses less digits than its factorization.

333727728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 696 counting only the distinct ones).

The product of its digits is 296352, while the sum is 42.

The square root of 333727728 is about 18268.2163332932. The cubic root of 333727728 is about 693.6346245598.

The spelling of 333727728 in words is "three hundred thirty-three million, seven hundred twenty-seven thousand, seven hundred twenty-eight".