727438136 has 16 divisors (see below), whose sum is σ = 1364477400. Its totient is φ = 363577504.

The previous prime is 727438133. The next prime is 727438141. The reversal of 727438136 is 631834727.

It is a junction number, because it is equal to n+sod(n) for n = 727438093 and 727438102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727438133) 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, 6011 + ... + 38613.

Almost surely, 2^727438136 is an apocalyptic number.

It is an amenable number.

727438136 is a deficient number, since it is larger than the sum of its proper divisors (637039264).

727438136 is a wasteful number, since it uses less digits than its factorization.

727438136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35398 (or 35394 counting only the distinct ones).

The product of its digits is 169344, while the sum is 41.

The square root of 727438136 is about 26971.0610840582. The cubic root of 727438136 is about 899.3567980463.

The spelling of 727438136 in words is "seven hundred twenty-seven million, four hundred thirty-eight thousand, one hundred thirty-six".