727448565 has 16 divisors (see below), whose sum is σ = 1170649728. Its totient is φ = 385728576.

The previous prime is 727448551. The next prime is 727448591. The reversal of 727448565 is 565844727.

It is not a de Polignac number, because 727448565 - 2¹⁰ = 727447541 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137569 + ... + 142758.

It is an arithmetic number, because the mean of its divisors is an integer number (73165608).

Almost surely, 2^727448565 is an apocalyptic number.

It is an amenable number.

727448565 is a deficient number, since it is larger than the sum of its proper divisors (443201163).

727448565 is a wasteful number, since it uses less digits than its factorization.

727448565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280508.

The product of its digits is 1881600, while the sum is 48.

The square root of 727448565 is about 26971.2544202156. The cubic root of 727448565 is about 899.3610959363.

The spelling of 727448565 in words is "seven hundred twenty-seven million, four hundred forty-eight thousand, five hundred sixty-five".