303728727 has 4 divisors (see below), whose sum is σ = 404971640. Its totient is φ = 202485816.

The previous prime is 303728713. The next prime is 303728729. The reversal of 303728727 is 727827303.

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

It is not a de Polignac number, because 303728727 - 2²⁰ = 302680151 is a prime.

It is a super-2 number, since 2×303728727² = 184502279210081058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303728729) 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, 50621452 + ... + 50621457.

It is an arithmetic number, because the mean of its divisors is an integer number (101242910).

Almost surely, 2^303728727 is an apocalyptic number.

303728727 is a deficient number, since it is larger than the sum of its proper divisors (101242913).

303728727 is a wasteful number, since it uses less digits than its factorization.

303728727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101242912.

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 303728727 is about 17427.8147511385. The cubic root of 303728727 is about 672.1950189550.

The spelling of 303728727 in words is "three hundred three million, seven hundred twenty-eight thousand, seven hundred twenty-seven".