730868 has 12 divisors (see below), whose sum is σ = 1294020. Its totient is φ = 361152.

The previous prime is 730867. The next prime is 730879. The reversal of 730868 is 868037.

It can be written as a sum of positive squares in 2 ways, for example, as 252004 + 478864 = 502^2 + 692^2 .

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 730868.

It is not an unprimeable number, because it can be changed into a prime (730867) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 671 + ... + 1382.

It is an arithmetic number, because the mean of its divisors is an integer number (107835).

2⁷³⁰⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

730868 is a deficient number, since it is larger than the sum of its proper divisors (563152).

730868 is a wasteful number, since it uses less digits than its factorization.

730868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146 (or 2144 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 730868 is about 854.9081822044. The cubic root of 730868 is about 90.0768068616.

The spelling of 730868 in words is "seven hundred thirty thousand, eight hundred sixty-eight".