727230 has 32 divisors (see below), whose sum is σ = 1995264. Its totient is φ = 166176.

The previous prime is 727211. The next prime is 727241. The reversal of 727230 is 32727.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 727197 and 727206.

It is a congruent number.

It is an unprimeable number.

727230 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1522 + ... + 1941.

It is an arithmetic number, because the mean of its divisors is an integer number (62352).

2⁷²⁷²³⁰ is an apocalyptic number.

727230 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

727230 is an abundant number, since it is smaller than the sum of its proper divisors (1268034).

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

727230 is a wasteful number, since it uses less digits than its factorization.

727230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480.

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 727230 is about 852.7778139703. Note that the first 3 decimals coincide. The cubic root of 727230 is about 89.9271014631.

Adding to 727230 its reverse (32727), we get a palindrome (759957).

The spelling of 727230 in words is "seven hundred twenty-seven thousand, two hundred thirty".