724471065 has 48 divisors (see below), whose sum is σ = 1332693648. Its totient is φ = 362815488.

The previous prime is 724471051. The next prime is 724471073. The reversal of 724471065 is 560174427.

724471065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 484416 + 723986649 = 696^2 + 26907^2 .

It is not a de Polignac number, because 724471065 - 2⁴ = 724471049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 452847 + ... + 454443.

It is an arithmetic number, because the mean of its divisors is an integer number (27764451).

Almost surely, 2^724471065 is an apocalyptic number.

It is an amenable number.

724471065 is a deficient number, since it is larger than the sum of its proper divisors (608222583).

724471065 is a wasteful number, since it uses less digits than its factorization.

724471065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218 (or 2215 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 724471065 is about 26916.0001671868. Note that the first 3 decimals coincide. The cubic root of 724471065 is about 898.1323678105.

The spelling of 724471065 in words is "seven hundred twenty-four million, four hundred seventy-one thousand, sixty-five".