730249 has 12 divisors (see below), whose sum is σ = 823500. Its totient is φ = 646464.

The previous prime is 730237. The next prime is 730253. The reversal of 730249 is 942037.

It can be written as a sum of positive squares in 6 ways, for example, as 230400 + 499849 = 480^2 + 707^2 .

It is not a de Polignac number, because 730249 - 2⁵ = 730217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4827 + ... + 4975.

It is an arithmetic number, because the mean of its divisors is an integer number (68625).

2⁷³⁰²⁴⁹ is an apocalyptic number.

It is an amenable number.

730249 is a deficient number, since it is larger than the sum of its proper divisors (93251).

730249 is a wasteful number, since it uses less digits than its factorization.

730249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 730249 is about 854.5460783363. The cubic root of 730249 is about 90.0513698507.

It can be divided in two parts, 730 and 249, that added together give a palindrome (979).

The spelling of 730249 in words is "seven hundred thirty thousand, two hundred forty-nine".