730153 has 4 divisors (see below), whose sum is σ = 732420. Its totient is φ = 727888.

The previous prime is 730139. The next prime is 730157. The reversal of 730153 is 351037.

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

It can be written as a sum of positive squares in 2 ways, for example, as 310249 + 419904 = 557^2 + 648^2 .

It is a cyclic number.

It is not a de Polignac number, because 730153 - 2¹³ = 721961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 730153.

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 3 ways as a sum of consecutive naturals, for example, 550 + ... + 1327.

It is an arithmetic number, because the mean of its divisors is an integer number (183105).

2⁷³⁰¹⁵³ is an apocalyptic number.

It is an amenable number.

730153 is a deficient number, since it is larger than the sum of its proper divisors (2267).

730153 is a wasteful number, since it uses less digits than its factorization.

730153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 730153 is about 854.4899063184. The cubic root of 730153 is about 90.0474235665.

The spelling of 730153 in words is "seven hundred thirty thousand, one hundred fifty-three".