730569 has 16 divisors (see below), whose sum is σ = 1172480. Its totient is φ = 395280.

The previous prime is 730567. The next prime is 730571. The reversal of 730569 is 965037.

730569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (730567) and next prime (730571).

It is not a de Polignac number, because 730569 - 2¹ = 730567 is a prime.

It is a super-2 number, since 2×730569² = 1067462127522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (730567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517 + ... + 1314.

It is an arithmetic number, because the mean of its divisors is an integer number (73280).

2⁷³⁰⁵⁶⁹ is an apocalyptic number.

It is an amenable number.

730569 is a deficient number, since it is larger than the sum of its proper divisors (441911).

730569 is a wasteful number, since it uses less digits than its factorization.

730569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 730569 is about 854.7332917349. The cubic root of 730569 is about 90.0645216342.

The spelling of 730569 in words is "seven hundred thirty thousand, five hundred sixty-nine".