27531968073 has 8 divisors (see below), whose sum is σ = 36710639328. Its totient is φ = 18353971104.

The previous prime is 27531968053. The next prime is 27531968089. The reversal of 27531968073 is 37086913572.

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

It is not a de Polignac number, because 27531968073 - 2¹⁷ = 27531837001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27531968033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64036 + ... + 243237.

It is an arithmetic number, because the mean of its divisors is an integer number (4588829916).

Almost surely, 2^27531968073 is an apocalyptic number.

It is an amenable number.

27531968073 is a deficient number, since it is larger than the sum of its proper divisors (9178671255).

27531968073 is a wasteful number, since it uses less digits than its factorization.

27531968073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337143.

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 27531968073 in words is "twenty-seven billion, five hundred thirty-one million, nine hundred sixty-eight thousand, seventy-three".