30730818722 has 8 divisors (see below), whose sum is σ = 46614163500. Its totient is φ = 15192764224.

The previous prime is 30730818721. The next prime is 30730818731. The reversal of 30730818722 is 22781803703.

It can be written as a sum of positive squares in 2 ways, for example, as 27741900481 + 2988918241 = 166559^2 + 54671^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 30730818722.

It is not an unprimeable number, because it can be changed into a prime (30730818721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86322347 + ... + 86322702.

Almost surely, 2^30730818722 is an apocalyptic number.

30730818722 is a deficient number, since it is larger than the sum of its proper divisors (15883344778).

30730818722 is a wasteful number, since it uses less digits than its factorization.

30730818722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172645140.

The product of its (nonzero) digits is 112896, while the sum is 41.

It can be divided in two parts, 3073081 and 8722, that added together give a palindrome (3081803).

The spelling of 30730818722 in words is "thirty billion, seven hundred thirty million, eight hundred eighteen thousand, seven hundred twenty-two".