730145722 has 16 divisors (see below), whose sum is σ = 1114214400. Its totient is φ = 358752240.

The previous prime is 730145707. The next prime is 730145723. The reversal of 730145722 is 227541037.

730145722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×730145722² = 1066225550709802568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (730145723) 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, 173479 + ... + 177637.

It is an arithmetic number, because the mean of its divisors is an integer number (69638400).

Almost surely, 2^730145722 is an apocalyptic number.

730145722 is a deficient number, since it is larger than the sum of its proper divisors (384068678).

730145722 is a wasteful number, since it uses less digits than its factorization.

730145722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5661.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 730145722 is about 27021.2087442438. The cubic root of 730145722 is about 900.4712437467.

Adding to 730145722 its reverse (227541037), we get a palindrome (957686759).

The spelling of 730145722 in words is "seven hundred thirty million, one hundred forty-five thousand, seven hundred twenty-two".