727009073 has 4 divisors (see below), whose sum is σ = 830867520. Its totient is φ = 623150628.

The previous prime is 727009057. The next prime is 727009099. The reversal of 727009073 is 370900727.

727009073 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 727009073 - 2⁴ = 727009057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (727009013) 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, 51929213 + ... + 51929226.

It is an arithmetic number, because the mean of its divisors is an integer number (207716880).

Almost surely, 2^727009073 is an apocalyptic number.

It is an amenable number.

727009073 is a deficient number, since it is larger than the sum of its proper divisors (103858447).

727009073 is a wasteful number, since it uses less digits than its factorization.

727009073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103858446.

The product of its (nonzero) digits is 18522, while the sum is 35.

The square root of 727009073 is about 26963.1057743725. The cubic root of 727009073 is about 899.1799414866.

The spelling of 727009073 in words is "seven hundred twenty-seven million, nine thousand, seventy-three".