730115 has 4 divisors (see below), whose sum is σ = 876144. Its totient is φ = 584088.

The previous prime is 730111. The next prime is 730139. The reversal of 730115 is 511037.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 730115 - 2² = 730111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 730093 and 730102.

It is not an unprimeable number, because it can be changed into a prime (730111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73007 + ... + 73016.

It is an arithmetic number, because the mean of its divisors is an integer number (219036).

2⁷³⁰¹¹⁵ is an apocalyptic number.

730115 is a deficient number, since it is larger than the sum of its proper divisors (146029).

730115 is a wasteful number, since it uses less digits than its factorization.

730115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146028.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 730115 is about 854.4676705411. The cubic root of 730115 is about 90.0458614000.

The spelling of 730115 in words is "seven hundred thirty thousand, one hundred fifteen".