730925 has 18 divisors (see below), whose sum is σ = 987102. Its totient is φ = 536640.

The previous prime is 730913. The next prime is 730943. The reversal of 730925 is 529037.

730925 = T₂₂₄ + T₂₂₅ + ... + T₂₄₉.

730925 = 155² + 156² + ... + 180².

It can be written as a sum of positive squares in 9 ways, for example, as 292681 + 438244 = 541^2 + 662^2 .

It is not a de Polignac number, because 730925 - 2⁴ = 730909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 730894 and 730903.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 730925.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4139 + ... + 4311.

It is an arithmetic number, because the mean of its divisors is an integer number (54839).

2⁷³⁰⁹²⁵ is an apocalyptic number.

It is an amenable number.

730925 is a deficient number, since it is larger than the sum of its proper divisors (256177).

730925 is a wasteful number, since it uses less digits than its factorization.

730925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 730925 is about 854.9415184678. The cubic root of 730925 is about 90.0791484812.

The spelling of 730925 in words is "seven hundred thirty thousand, nine hundred twenty-five".