730240925 has 18 divisors (see below), whose sum is σ = 911102958. Its totient is φ = 580597440.

The previous prime is 730240891. The next prime is 730240997. The reversal of 730240925 is 529042037.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 47045881 + 683195044 = 6859^2 + 26138^2 .

It is not a de Polignac number, because 730240925 - 2¹⁴ = 730224541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 730240891 and 730240900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1310747 + ... + 1311303.

It is an arithmetic number, because the mean of its divisors is an integer number (50616831).

Almost surely, 2^730240925 is an apocalyptic number.

It is an amenable number.

730240925 is a deficient number, since it is larger than the sum of its proper divisors (180862033).

730240925 is an equidigital number, since it uses as much as digits as its factorization.

730240925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 730240925 is about 27022.9703215616. The cubic root of 730240925 is about 900.5103792396.

The spelling of 730240925 in words is "seven hundred thirty million, two hundred forty thousand, nine hundred twenty-five".