727724225 has 48 divisors (see below), whose sum is σ = 995412480. Its totient is φ = 525657600.

The previous prime is 727724213. The next prime is 727724243. The reversal of 727724225 is 522427727.

It is not a de Polignac number, because 727724225 - 2⁶ = 727724161 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1074587 + ... + 1075263.

It is an arithmetic number, because the mean of its divisors is an integer number (20737760).

Almost surely, 2^727724225 is an apocalyptic number.

It is an amenable number.

727724225 is a deficient number, since it is larger than the sum of its proper divisors (267688255).

727724225 is a wasteful number, since it uses less digits than its factorization.

727724225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 805 counting only the distinct ones).

The product of its digits is 109760, while the sum is 38.

The square root of 727724225 is about 26976.3641916401. The cubic root of 727724225 is about 899.4746831518.

The spelling of 727724225 in words is "seven hundred twenty-seven million, seven hundred twenty-four thousand, two hundred twenty-five".