727536361 has 4 divisors (see below), whose sum is σ = 737783424. Its totient is φ = 717289300.

The previous prime is 727536347. The next prime is 727536367. The reversal of 727536361 is 163635727.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 163635727 = 17 ⋅9625631.

It is a cyclic number.

It is not a de Polignac number, because 727536361 - 2⁹ = 727535849 is a prime.

It is a Smith number, since the sum of its digits (40) 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 (727536367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5123425 + ... + 5123566.

It is an arithmetic number, because the mean of its divisors is an integer number (184445856).

Almost surely, 2^727536361 is an apocalyptic number.

727536361 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

727536361 is a deficient number, since it is larger than the sum of its proper divisors (10247063).

727536361 is a wasteful number, since it uses less digits than its factorization.

727536361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10247062.

The product of its digits is 158760, while the sum is 40.

The square root of 727536361 is about 26972.8819557718. The cubic root of 727536361 is about 899.3972758736.

The spelling of 727536361 in words is "seven hundred twenty-seven million, five hundred thirty-six thousand, three hundred sixty-one".