201067728 has 40 divisors (see below), whose sum is σ = 546765600. Its totient is φ = 63494784.

The previous prime is 201067717. The next prime is 201067729. The reversal of 201067728 is 827760102.

201067728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201067729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109323 + ... + 111146.

It is an arithmetic number, because the mean of its divisors is an integer number (13669140).

Almost surely, 2^201067728 is an apocalyptic number.

It is an amenable number.

201067728 is an abundant number, since it is smaller than the sum of its proper divisors (345697872).

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

201067728 is a wasteful number, since it uses less digits than its factorization.

201067728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220499 (or 220493 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 201067728 is about 14179.8352599739. The cubic root of 201067728 is about 585.8423863718.

The spelling of 201067728 in words is "two hundred one million, sixty-seven thousand, seven hundred twenty-eight".