727361 has 4 divisors (see below), whose sum is σ = 729300. Its totient is φ = 725424.

The previous prime is 727351. The next prime is 727369. The reversal of 727361 is 163727.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 163727 = 17 ⋅9631.

It can be written as a sum of positive squares in 2 ways, for example, as 297025 + 430336 = 545^2 + 656^2 .

It is a cyclic number.

It is not a de Polignac number, because 727361 - 2⁶ = 727297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 727361.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 727361.

It is not an unprimeable number, because it can be changed into a prime (727369) 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, 206 + ... + 1223.

It is an arithmetic number, because the mean of its divisors is an integer number (182325).

2⁷²⁷³⁶¹ is an apocalyptic number.

It is an amenable number.

727361 is a deficient number, since it is larger than the sum of its proper divisors (1939).

727361 is a wasteful number, since it uses less digits than its factorization.

727361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938.

The product of its digits is 1764, while the sum is 26.

The square root of 727361 is about 852.8546183260. The cubic root of 727361 is about 89.9325008292.

The spelling of 727361 in words is "seven hundred twenty-seven thousand, three hundred sixty-one".