730922 has 4 divisors (see below), whose sum is σ = 1096386. Its totient is φ = 365460.

The previous prime is 730913. The next prime is 730943. The reversal of 730922 is 229037.

730922 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.

It can be written as a sum of positive squares in only one way, i.e., 687241 + 43681 = 829^2 + 209^2 .

It is an unprimeable number.

730922 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182729 + ... + 182732.

2⁷³⁰⁹²² is an apocalyptic number.

730922 is a deficient number, since it is larger than the sum of its proper divisors (365464).

730922 is a wasteful number, since it uses less digits than its factorization.

730922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365463.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 730922 is about 854.9397639600. The cubic root of 730922 is about 90.0790252411.

Adding to 730922 its reverse (229037), we get a palindrome (959959).

The spelling of 730922 in words is "seven hundred thirty thousand, nine hundred twenty-two".