27404160073 has 4 divisors (see below), whose sum is σ = 28349131140. Its totient is φ = 26459189008.

The previous prime is 27404160071. The next prime is 27404160097. The reversal of 27404160073 is 37006140472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14084230329 + 13319929744 = 118677^2 + 115412^2 .

It is a cyclic number.

It is not a de Polignac number, because 27404160073 - 2¹ = 27404160071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27404160071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472485490 + ... + 472485547.

It is an arithmetic number, because the mean of its divisors is an integer number (7087282785).

Almost surely, 2^27404160073 is an apocalyptic number.

It is an amenable number.

27404160073 is a deficient number, since it is larger than the sum of its proper divisors (944971067).

27404160073 is an equidigital number, since it uses as much as digits as its factorization.

27404160073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944971066.

The product of its (nonzero) digits is 28224, while the sum is 34.

The spelling of 27404160073 in words is "twenty-seven billion, four hundred four million, one hundred sixty thousand, seventy-three".