30645538074 has 24 divisors (see below), whose sum is σ = 66402116820. Its totient is φ = 10214648448.

The previous prime is 30645538057. The next prime is 30645538081. The reversal of 30645538074 is 47083554603.

30645538074 is a `hidden beast` number, since 3 + 0 + 6 + 45 + 538 + 0 + 74 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24918832449 + 5726705625 = 157857^2 + 75675^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 478882 + ... + 539090.

Almost surely, 2^30645538074 is an apocalyptic number.

30645538074 is an abundant number, since it is smaller than the sum of its proper divisors (35756578746).

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

30645538074 is a wasteful number, since it uses less digits than its factorization.

30645538074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88494 (or 88491 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 30645538074 in words is "thirty billion, six hundred forty-five million, five hundred thirty-eight thousand, seventy-four".