727872265 has 4 divisors (see below), whose sum is σ = 873446724. Its totient is φ = 582297808.

The previous prime is 727872239. The next prime is 727872317. The reversal of 727872265 is 562278727.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 562278727 = 6863 ⋅81929.

It can be written as a sum of positive squares in 2 ways, for example, as 167650704 + 560221561 = 12948^2 + 23669^2 .

It is a cyclic number.

It is not a de Polignac number, because 727872265 - 2²³ = 719483657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72787222 + ... + 72787231.

It is an arithmetic number, because the mean of its divisors is an integer number (218361681).

Almost surely, 2^727872265 is an apocalyptic number.

It is an amenable number.

727872265 is a deficient number, since it is larger than the sum of its proper divisors (145574459).

727872265 is a wasteful number, since it uses less digits than its factorization.

727872265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145574458.

The product of its digits is 658560, while the sum is 46.

The square root of 727872265 is about 26979.1079355860. The cubic root of 727872265 is about 899.5356720077.

The spelling of 727872265 in words is "seven hundred twenty-seven million, eight hundred seventy-two thousand, two hundred sixty-five".