30730472552 has 32 divisors (see below), whose sum is σ = 65702032200. Its totient is φ = 13348982784.

The previous prime is 30730472503. The next prime is 30730472557. The reversal of 30730472552 is 25527403703.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24871182436 + 5859290116 = 157706^2 + 76546^2 .

It is not an unprimeable number, because it can be changed into a prime (30730472557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8688977 + ... + 8692512.

Almost surely, 2^30730472552 is an apocalyptic number.

It is an amenable number.

30730472552 is an abundant number, since it is smaller than the sum of its proper divisors (34971559648).

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

30730472552 is a wasteful number, since it uses less digits than its factorization.

30730472552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17381525 (or 17381521 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 38.

The spelling of 30730472552 in words is "thirty billion, seven hundred thirty million, four hundred seventy-two thousand, five hundred fifty-two".