730743 has 16 divisors (see below), whose sum is σ = 1077216. Its totient is φ = 437760.

The previous prime is 730727. The next prime is 730747. The reversal of 730743 is 347037.

It is not a de Polignac number, because 730743 - 2⁴ = 730727 is a prime.

730743 is a lucky number.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1371 + ... + 1827.

It is an arithmetic number, because the mean of its divisors is an integer number (67326).

2⁷³⁰⁷⁴³ is an apocalyptic number.

730743 is a deficient number, since it is larger than the sum of its proper divisors (346473).

730743 is a wasteful number, since it uses less digits than its factorization.

730743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514.

The product of its (nonzero) digits is 1764, while the sum is 24.

The square root of 730743 is about 854.8350718121. The cubic root of 730743 is about 90.0716713046.

The spelling of 730743 in words is "seven hundred thirty thousand, seven hundred forty-three".