730915 has 8 divisors (see below), whose sum is σ = 928800. Its totient is φ = 550272.

The previous prime is 730913. The next prime is 730943. The reversal of 730915 is 519037.

730915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 730915 - 2¹ = 730913 is a prime.

730915 is a lucky number.

It is a plaindrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 730915.

It is not an unprimeable number, because it can be changed into a prime (730913) 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, 4215 + ... + 4384.

It is an arithmetic number, because the mean of its divisors is an integer number (116100).

2⁷³⁰⁹¹⁵ is an apocalyptic number.

730915 is a deficient number, since it is larger than the sum of its proper divisors (197885).

730915 is a wasteful number, since it uses less digits than its factorization.

730915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8621.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 730915 is about 854.9356700945. The cubic root of 730915 is about 90.0787376796.

The spelling of 730915 in words is "seven hundred thirty thousand, nine hundred fifteen".