730155 has 8 divisors (see below), whose sum is σ = 1168272. Its totient is φ = 389408.

The previous prime is 730139. The next prime is 730157. The reversal of 730155 is 551037.

It is a happy number.

730155 is nontrivially palindromic in base 16.

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 730155 - 2⁴ = 730139 is a prime.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (730157) 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, 24324 + ... + 24353.

It is an arithmetic number, because the mean of its divisors is an integer number (146034).

2⁷³⁰¹⁵⁵ is an apocalyptic number.

730155 is a deficient number, since it is larger than the sum of its proper divisors (438117).

730155 is a wasteful number, since it uses less digits than its factorization.

730155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48685.

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 730155 is about 854.4910766064. The cubic root of 730155 is about 90.0475057842.

The spelling of 730155 in words is "seven hundred thirty thousand, one hundred fifty-five".