730446 has 16 divisors (see below), whose sum is σ = 1489104. Its totient is φ = 238784.

The previous prime is 730421. The next prime is 730447. The reversal of 730446 is 644037.

730446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 831 + ... + 1466.

It is an arithmetic number, because the mean of its divisors is an integer number (93069).

2⁷³⁰⁴⁴⁶ is an apocalyptic number.

730446 is an abundant number, since it is smaller than the sum of its proper divisors (758658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730446 is a wasteful number, since it uses less digits than its factorization.

730446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 730446 is about 854.6613364368. The cubic root of 730446 is about 90.0594668719.

It can be divided in two parts, 730 and 446, that added together give a triangular number (1176 = T₄₈).

The spelling of 730446 in words is "seven hundred thirty thousand, four hundred forty-six".