727838361 has 12 divisors (see below), whose sum is σ = 1055040688. Its totient is φ = 483509304.

The previous prime is 727838299. The next prime is 727838369. The reversal of 727838361 is 163838727.

It is not a de Polignac number, because 727838361 - 2⁷ = 727838233 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (727838369) 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 11 ways as a sum of consecutive naturals, for example, 140335 + ... + 145428.

Almost surely, 2^727838361 is an apocalyptic number.

It is an amenable number.

727838361 is a deficient number, since it is larger than the sum of its proper divisors (327202327).

727838361 is a wasteful number, since it uses less digits than its factorization.

727838361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286052 (or 286049 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 727838361 is about 26978.4795902215. The cubic root of 727838361 is about 899.5217051199.

The spelling of 727838361 in words is "seven hundred twenty-seven million, eight hundred thirty-eight thousand, three hundred sixty-one".