730394 has 24 divisors (see below), whose sum is σ = 1323540. Its totient is φ = 301056.

The previous prime is 730363. The next prime is 730397. The reversal of 730394 is 493037.

It can be written as a sum of positive squares in 2 ways, for example, as 648025 + 82369 = 805^2 + 287^2 .

It is not an unprimeable number, because it can be changed into a prime (730397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2714 + ... + 2970.

2⁷³⁰³⁹⁴ is an apocalyptic number.

730394 is a deficient number, since it is larger than the sum of its proper divisors (593146).

730394 is a wasteful number, since it uses less digits than its factorization.

730394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 730394 is about 854.6309144888. The cubic root of 730394 is about 90.0573297285.

The spelling of 730394 in words is "seven hundred thirty thousand, three hundred ninety-four".