27320391634 has 8 divisors (see below), whose sum is σ = 41403068028. Its totient is φ = 13519368960.

The previous prime is 27320391587. The next prime is 27320391689. The reversal of 27320391634 is 43619302372.

It can be written as a sum of positive squares in 2 ways, for example, as 27176511609 + 143880025 = 164853^2 + 11995^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70413187 + ... + 70413574.

Almost surely, 2^27320391634 is an apocalyptic number.

27320391634 is a deficient number, since it is larger than the sum of its proper divisors (14082676394).

27320391634 is a wasteful number, since it uses less digits than its factorization.

27320391634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140826860.

The product of its (nonzero) digits is 163296, while the sum is 40.

The spelling of 27320391634 in words is "twenty-seven billion, three hundred twenty million, three hundred ninety-one thousand, six hundred thirty-four".