727220065 has 32 divisors (see below), whose sum is σ = 1028877696. Its totient is φ = 486466560.

The previous prime is 727220063. The next prime is 727220069. The reversal of 727220065 is 560022727.

It is not a de Polignac number, because 727220065 - 2¹ = 727220063 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (727220063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217849 + ... + 221161.

It is an arithmetic number, because the mean of its divisors is an integer number (32152428).

Almost surely, 2^727220065 is an apocalyptic number.

It is an amenable number.

727220065 is a deficient number, since it is larger than the sum of its proper divisors (301657631).

727220065 is a wasteful number, since it uses less digits than its factorization.

727220065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3649.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 727220065 is about 26967.0180961856. The cubic root of 727220065 is about 899.2669195041.

The spelling of 727220065 in words is "seven hundred twenty-seven million, two hundred twenty thousand, sixty-five".