730742 has 16 divisors (see below), whose sum is σ = 1164240. Its totient is φ = 343392.

The previous prime is 730727. The next prime is 730747. The reversal of 730742 is 247037.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2348 + ... + 2640.

It is an arithmetic number, because the mean of its divisors is an integer number (72765).

2⁷³⁰⁷⁴² is an apocalyptic number.

730742 is a deficient number, since it is larger than the sum of its proper divisors (433498).

730742 is a wasteful number, since it uses less digits than its factorization.

730742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 730742 is about 854.8344869038. The cubic root of 730742 is about 90.0716302178.

Adding to 730742 its reverse (247037), we get a palindrome (977779).

The spelling of 730742 in words is "seven hundred thirty thousand, seven hundred forty-two".