727028 has 6 divisors (see below), whose sum is σ = 1272306. Its totient is φ = 363512.

The previous prime is 727021. The next prime is 727049. The reversal of 727028 is 820727.

It can be written as a sum of positive squares in only one way, i.e., 595984 + 131044 = 772^2 + 362^2 .

It is a junction number, because it is equal to n+sod(n) for n = 726988 and 727006.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 727028.

It is not an unprimeable number, because it can be changed into a prime (727021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90875 + ... + 90882.

It is an arithmetic number, because the mean of its divisors is an integer number (212051).

2⁷²⁷⁰²⁸ is an apocalyptic number.

It is an amenable number.

727028 is a deficient number, since it is larger than the sum of its proper divisors (545278).

727028 is a wasteful number, since it uses less digits than its factorization.

727028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181761 (or 181759 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 727028 is about 852.6593692677. The cubic root of 727028 is about 89.9187744521.

The spelling of 727028 in words is "seven hundred twenty-seven thousand, twenty-eight".