27732334873 has 4 divisors (see below), whose sum is σ = 28006912548. Its totient is φ = 27457757200.

The previous prime is 27732334843. The next prime is 27732334997. The reversal of 27732334873 is 37843323772.

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 27255698649 + 476636224 = 165093^2 + 21832^2 .

It is a cyclic number.

It is not a de Polignac number, because 27732334873 - 2⁵ = 27732334841 is a prime.

It is a super-2 number, since 2×27732334873² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27732334843) 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, 137288686 + ... + 137288887.

It is an arithmetic number, because the mean of its divisors is an integer number (7001728137).

Almost surely, 2^27732334873 is an apocalyptic number.

It is an amenable number.

27732334873 is a deficient number, since it is larger than the sum of its proper divisors (274577675).

27732334873 is a wasteful number, since it uses less digits than its factorization.

27732334873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274577674.

The product of its digits is 3556224, while the sum is 49.

The spelling of 27732334873 in words is "twenty-seven billion, seven hundred thirty-two million, three hundred thirty-four thousand, eight hundred seventy-three".