730231722 has 96 divisors (see below), whose sum is σ = 1792327680. Its totient is φ = 212868000.

The previous prime is 730231709. The next prime is 730231729. The reversal of 730231722 is 227132037.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (730231729) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1663179 + ... + 1663617.

It is an arithmetic number, because the mean of its divisors is an integer number (18670080).

Almost surely, 2^730231722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730231722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (896163840).

730231722 is an abundant number, since it is smaller than the sum of its proper divisors (1062095958).

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

730231722 is a wasteful number, since it uses less digits than its factorization.

730231722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 730231722 is about 27022.8000399663. The cubic root of 730231722 is about 900.5065962727.

Adding to 730231722 its reverse (227132037), we get a palindrome (957363759).

The spelling of 730231722 in words is "seven hundred thirty million, two hundred thirty-one thousand, seven hundred twenty-two".