724583249 has 8 divisors (see below), whose sum is σ = 781013352. Its totient is φ = 668252160.

The previous prime is 724583227. The next prime is 724583261. The reversal of 724583249 is 942385427.

It can be written as a sum of positive squares in 4 ways, for example, as 187827025 + 536756224 = 13705^2 + 23168^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 724583249 - 2²⁸ = 456147793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (724583219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9182 + ... + 39159.

It is an arithmetic number, because the mean of its divisors is an integer number (97626669).

Almost surely, 2^724583249 is an apocalyptic number.

It is an amenable number.

724583249 is a deficient number, since it is larger than the sum of its proper divisors (56430103).

724583249 is a wasteful number, since it uses less digits than its factorization.

724583249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49507.

The product of its digits is 483840, while the sum is 44.

The square root of 724583249 is about 26918.0840514328. The cubic root of 724583249 is about 898.1787238745.

The spelling of 724583249 in words is "seven hundred twenty-four million, five hundred eighty-three thousand, two hundred forty-nine".