727393 has 4 divisors (see below), whose sum is σ = 729108. Its totient is φ = 725680.

The previous prime is 727369. The next prime is 727399. The reversal of 727393 is 393727.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 219024 + 508369 = 468^2 + 713^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-727393 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (727399) 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, 303 + ... + 1243.

It is an arithmetic number, because the mean of its divisors is an integer number (182277).

2⁷²⁷³⁹³ is an apocalyptic number.

It is an amenable number.

727393 is a deficient number, since it is larger than the sum of its proper divisors (1715).

727393 is an equidigital number, since it uses as much as digits as its factorization.

727393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714.

The product of its digits is 7938, while the sum is 31.

The square root of 727393 is about 852.8733786442. The cubic root of 727393 is about 89.9338196598.

The spelling of 727393 in words is "seven hundred twenty-seven thousand, three hundred ninety-three".