27732420057 has 16 divisors (see below), whose sum is σ = 37588844160. Its totient is φ = 18182236800.

The previous prime is 27732420047. The next prime is 27732420071. The reversal of 27732420057 is 75002423772.

It is not a de Polignac number, because 27732420057 - 2⁴ = 27732420041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27732419997 and 27732420024.

It is not an unprimeable number, because it can be changed into a prime (27732420047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2158669 + ... + 2171477.

It is an arithmetic number, because the mean of its divisors is an integer number (2349302760).

Almost surely, 2^27732420057 is an apocalyptic number.

It is an amenable number.

27732420057 is a deficient number, since it is larger than the sum of its proper divisors (9856424103).

27732420057 is a wasteful number, since it uses less digits than its factorization.

27732420057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24704.

The product of its (nonzero) digits is 164640, while the sum is 39.

The spelling of 27732420057 in words is "twenty-seven billion, seven hundred thirty-two million, four hundred twenty thousand, fifty-seven".