730127 has 4 divisors (see below), whose sum is σ = 731880. Its totient is φ = 728376.

The previous prime is 730111. The next prime is 730139. The reversal of 730127 is 721037.

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 730127 - 2⁴ = 730111 is a prime.

It is a super-2 number, since 2×730127² = 1066170872258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 730099 and 730108.

It is a congruent number.

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, 149 + ... + 1217.

It is an arithmetic number, because the mean of its divisors is an integer number (182970).

2⁷³⁰¹²⁷ is an apocalyptic number.

730127 is a deficient number, since it is larger than the sum of its proper divisors (1753).

730127 is a wasteful number, since it uses less digits than its factorization.

730127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 730127 is about 854.4746924280. The cubic root of 730127 is about 90.0463547216.

The spelling of 730127 in words is "seven hundred thirty thousand, one hundred twenty-seven".