727089881 has 48 divisors (see below), whose sum is σ = 936105984. Its totient is φ = 560641536.

The previous prime is 727089833. The next prime is 727089887. The reversal of 727089881 is 188980727.

It is a happy number.

727089881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 727089881 - 2¹⁸ = 726827737 is a prime.

It is a super-2 number, since 2×727089881² = 1057319390105188322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (727089887) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1898216 + ... + 1898598.

It is an arithmetic number, because the mean of its divisors is an integer number (19502208).

Almost surely, 2^727089881 is an apocalyptic number.

It is an amenable number.

727089881 is a deficient number, since it is larger than the sum of its proper divisors (209016103).

727089881 is a wasteful number, since it uses less digits than its factorization.

727089881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 50.

The square root of 727089881 is about 26964.6042247981. The cubic root of 727089881 is about 899.2132552573.

The spelling of 727089881 in words is "seven hundred twenty-seven million, eighty-nine thousand, eight hundred eighty-one".