727873057 has 4 divisors (see below), whose sum is σ = 737086720. Its totient is φ = 718659396.

The previous prime is 727873051. The next prime is 727873093. The reversal of 727873057 is 750378727.

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 727873057 - 2²⁷ = 593655329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 727872998 and 727873016.

It is not an unprimeable number, because it can be changed into a prime (727873051) 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, 4606713 + ... + 4606870.

It is an arithmetic number, because the mean of its divisors is an integer number (184271680).

Almost surely, 2^727873057 is an apocalyptic number.

It is an amenable number.

727873057 is a deficient number, since it is larger than the sum of its proper divisors (9213663).

727873057 is an equidigital number, since it uses as much as digits as its factorization.

727873057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9213662.

The product of its (nonzero) digits is 576240, while the sum is 46.

The square root of 727873057 is about 26979.1226136062. The cubic root of 727873057 is about 899.5359982701.

The spelling of 727873057 in words is "seven hundred twenty-seven million, eight hundred seventy-three thousand, fifty-seven".