27470447930 has 16 divisors (see below), whose sum is σ = 49450369320. Its totient is φ = 10987387392.

The previous prime is 27470447929. The next prime is 27470447957. The reversal of 27470447930 is 3974407472.

It can be written as a sum of positive squares in 4 ways, for example, as 25581763249 + 1888684681 = 159943^2 + 43459^2 .

It is a Curzon number.

It is an unprimeable number.

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, 58706 + ... + 241634.

Almost surely, 2^27470447930 is an apocalyptic number.

27470447930 is a deficient number, since it is larger than the sum of its proper divisors (21979921390).

27470447930 is a wasteful number, since it uses less digits than its factorization.

27470447930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197953.

The product of its (nonzero) digits is 1185408, while the sum is 47.

The spelling of 27470447930 in words is "twenty-seven billion, four hundred seventy million, four hundred forty-seven thousand, nine hundred thirty".