730346 has 4 divisors (see below), whose sum is σ = 1095522. Its totient is φ = 365172.

The previous prime is 730339. The next prime is 730363. The reversal of 730346 is 643037.

730346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 643037 = 613 ⋅1049.

It can be written as a sum of positive squares in only one way, i.e., 469225 + 261121 = 685^2 + 511^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182585 + ... + 182588.

2⁷³⁰³⁴⁶ is an apocalyptic number.

730346 is a deficient number, since it is larger than the sum of its proper divisors (365176).

730346 is a wasteful number, since it uses less digits than its factorization.

730346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365175.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 730346 is about 854.6028317295. The cubic root of 730346 is about 90.0553568908.

The spelling of 730346 in words is "seven hundred thirty thousand, three hundred forty-six".