30742576722 has 270 divisors, whose sum is σ = 84234820761. Its totient is φ = 8093479680.

The previous prime is 30742576721. The next prime is 30742576727. The reversal of 30742576722 is 22767524703.

30742576722 is a `hidden beast` number, since 3 + 0 + 7 + 4 + 2 + 576 + 72 + 2 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 1216684161 + 29525892561 = 34881^2 + 171831^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=123981.

It is not an unprimeable number, because it can be changed into a prime (30742576721) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 1808386858 + ... + 1808386874.

Almost surely, 2^30742576722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30742576722

30742576722 is an abundant number, since it is smaller than the sum of its proper divisors (53492244039).

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

30742576722 is a wasteful number, since it uses less digits than its factorization.

30742576722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 45.

The spelling of 30742576722 in words is "thirty billion, seven hundred forty-two million, five hundred seventy-six thousand, seven hundred twenty-two".