727385 has 4 divisors (see below), whose sum is σ = 872868. Its totient is φ = 581904.

The previous prime is 727369. The next prime is 727399. The reversal of 727385 is 583727.

727385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 190096 + 537289 = 436^2 + 733^2 .

It is a cyclic number.

It is not a de Polignac number, because 727385 - 2⁴ = 727369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72734 + ... + 72743.

It is an arithmetic number, because the mean of its divisors is an integer number (218217).

2⁷²⁷³⁸⁵ is an apocalyptic number.

It is an amenable number.

727385 is a deficient number, since it is larger than the sum of its proper divisors (145483).

727385 is a wasteful number, since it uses less digits than its factorization.

727385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145482.

The product of its digits is 11760, while the sum is 32.

The square root of 727385 is about 852.8686886034. The cubic root of 727385 is about 89.9334899558.

The spelling of 727385 in words is "seven hundred twenty-seven thousand, three hundred eighty-five".