30057272973 has 96 divisors (see below), whose sum is σ = 54996032000. Its totient is φ = 15393120768.

The previous prime is 30057272969. The next prime is 30057273017. The reversal of 30057272973 is 37927275003.

30057272973 is a `hidden beast` number, since 3 + 0 + 0 + 572 + 7 + 2 + 9 + 73 = 666.

It is not a de Polignac number, because 30057272973 - 2² = 30057272969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30057272933) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21484128 + ... + 21485526.

Almost surely, 2^30057272973 is an apocalyptic number.

It is an amenable number.

30057272973 is a deficient number, since it is larger than the sum of its proper divisors (24938759027).

30057272973 is a wasteful number, since it uses less digits than its factorization.

30057272973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171 (or 2168 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 45.

The spelling of 30057272973 in words is "thirty billion, fifty-seven million, two hundred seventy-two thousand, nine hundred seventy-three".