727268273865 has 96 divisors (see below), whose sum is σ = 1500628147200. Its totient is φ = 331000012224.

The previous prime is 727268273833. The next prime is 727268273909. The reversal of 727268273865 is 568372862727.

727268273865 is a `hidden beast` number, since 7 + 27 + 268 + 273 + 86 + 5 = 666.

It is not a de Polignac number, because 727268273865 - 2⁵ = 727268273833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1742286 + ... + 2118984.

It is an arithmetic number, because the mean of its divisors is an integer number (15631543200).

Almost surely, 2^727268273865 is an apocalyptic number.

It is an amenable number.

727268273865 is an abundant number, since it is smaller than the sum of its proper divisors (773359873335).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

727268273865 is a wasteful number, since it uses less digits than its factorization.

727268273865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376953 (or 376941 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 63.

The spelling of 727268273865 in words is "seven hundred twenty-seven billion, two hundred sixty-eight million, two hundred seventy-three thousand, eight hundred sixty-five".