728250027 has 4 divisors (see below), whose sum is σ = 971000040. Its totient is φ = 485500016.

The previous prime is 728250011. The next prime is 728250041. The reversal of 728250027 is 720052827.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 728250027 - 2⁴ = 728250011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 728250027.

It is not an unprimeable number, because it can be changed into a prime (728250227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121375002 + ... + 121375007.

It is an arithmetic number, because the mean of its divisors is an integer number (242750010).

Almost surely, 2^728250027 is an apocalyptic number.

728250027 is a deficient number, since it is larger than the sum of its proper divisors (242750013).

728250027 is a wasteful number, since it uses less digits than its factorization.

728250027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242750012.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 728250027 is about 26986.1080372847. The cubic root of 728250027 is about 899.6912632386.

The spelling of 728250027 in words is "seven hundred twenty-eight million, two hundred fifty thousand, twenty-seven".