730247 has 8 divisors (see below), whose sum is σ = 852000. Its totient is φ = 625632.

The previous prime is 730237. The next prime is 730253. The reversal of 730247 is 742037.

It is not a de Polignac number, because 730247 - 2⁸ = 729991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 730247.

It is not an unprimeable number, because it can be changed into a prime (730217) 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, 722 + ... + 1407.

It is an arithmetic number, because the mean of its divisors is an integer number (106500).

2⁷³⁰²⁴⁷ is an apocalyptic number.

730247 is a deficient number, since it is larger than the sum of its proper divisors (121753).

730247 is an equidigital number, since it uses as much as digits as its factorization.

730247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150 (or 2136 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 730247 is about 854.5449081236. The cubic root of 730247 is about 90.0512876400.

The spelling of 730247 in words is "seven hundred thirty thousand, two hundred forty-seven".