730712 has 16 divisors (see below), whose sum is σ = 1379400. Its totient is φ = 362880.

The previous prime is 730679. The next prime is 730727. The reversal of 730712 is 217037.

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 730712.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1739 + ... + 2117.

2⁷³⁰⁷¹² is an apocalyptic number.

It is an amenable number.

730712 is a deficient number, since it is larger than the sum of its proper divisors (648688).

730712 is a wasteful number, since it uses less digits than its factorization.

730712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 730712 is about 854.8169394672. The cubic root of 730712 is about 90.0703975959.

Adding to 730712 its reverse (217037), we get a palindrome (947749).

The spelling of 730712 in words is "seven hundred thirty thousand, seven hundred twelve".