30734727444 has 36 divisors (see below), whose sum is σ = 78119807220. Its totient is φ = 10188305280.

The previous prime is 30734727407. The next prime is 30734727449. The reversal of 30734727444 is 44472743703.

30734727444 is a `hidden beast` number, since 3 + 0 + 73 + 472 + 74 + 44 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14547254544 + 16187472900 = 120612^2 + 127230^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 30734727444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30734727449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2351889 + ... + 2364920.

It is an arithmetic number, because the mean of its divisors is an integer number (2169994645).

Almost surely, 2^30734727444 is an apocalyptic number.

It is an amenable number.

30734727444 is an abundant number, since it is smaller than the sum of its proper divisors (47385079776).

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

30734727444 is a wasteful number, since it uses less digits than its factorization.

30734727444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4717000 (or 4716995 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 45.

The spelling of 30734727444 in words is "thirty billion, seven hundred thirty-four million, seven hundred twenty-seven thousand, four hundred forty-four".