727909361 has 4 divisors (see below), whose sum is σ = 766220400. Its totient is φ = 689598324.

The previous prime is 727909339. The next prime is 727909363. The reversal of 727909361 is 163909727.

It is a happy number.

727909361 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 727909361 - 2⁶ = 727909297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (727909363) 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, 19155491 + ... + 19155528.

It is an arithmetic number, because the mean of its divisors is an integer number (191555100).

Almost surely, 2^727909361 is an apocalyptic number.

It is an amenable number.

727909361 is a deficient number, since it is larger than the sum of its proper divisors (38311039).

727909361 is a wasteful number, since it uses less digits than its factorization.

727909361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38311038.

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 727909361 is about 26979.7954217596. The cubic root of 727909361 is about 899.5509533559.

The spelling of 727909361 in words is "seven hundred twenty-seven million, nine hundred nine thousand, three hundred sixty-one".