730722 has 8 divisors (see below), whose sum is σ = 1461456. Its totient is φ = 243572.

The previous prime is 730679. The next prime is 730727. The reversal of 730722 is 227037.

It is a sphenic number, since it is the product of 3 distinct primes.

730722 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (730727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60888 + ... + 60899.

It is an arithmetic number, because the mean of its divisors is an integer number (182682).

2⁷³⁰⁷²² is an apocalyptic number.

730722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

730722 is a wasteful number, since it uses less digits than its factorization.

730722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121792.

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 730722 is about 854.8227886527. The cubic root of 730722 is about 90.0708084736.

Adding to 730722 its reverse (227037), we get a palindrome (957759).

The spelling of 730722 in words is "seven hundred thirty thousand, seven hundred twenty-two".