9127728 has 50 divisors (see below), whose sum is σ = 26422044. Its totient is φ = 3042144.

The previous prime is 9127717. The next prime is 9127753. The reversal of 9127728 is 8277219.

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 = 9127692 and 9127701.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2226 + ... + 4817.

Almost surely, 2^9127728 is an apocalyptic number.

It is an amenable number.

9127728 is an abundant number, since it is smaller than the sum of its proper divisors (17294316).

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

9127728 is a wasteful number, since it uses less digits than its factorization.

9127728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7063 (or 7048 counting only the distinct ones).

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

The square root of 9127728 is about 3021.2130014284. The cubic root of 9127728 is about 208.9877819220.

The spelling of 9127728 in words is "nine million, one hundred twenty-seven thousand, seven hundred twenty-eight".