27732420069 has 16 divisors (see below), whose sum is σ = 37440893952. Its totient is φ = 18256337648.

The previous prime is 27732420047. The next prime is 27732420071. The reversal of 27732420069 is 96002423772.

It is a cyclic number.

It is not a de Polignac number, because 27732420069 - 2⁷ = 27732419941 is a prime.

It is a super-2 number, since 2×27732420069² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27732420069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27732420019) 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, 486694 + ... + 540680.

It is an arithmetic number, because the mean of its divisors is an integer number (2340055872).

Almost surely, 2^27732420069 is an apocalyptic number.

It is an amenable number.

27732420069 is a deficient number, since it is larger than the sum of its proper divisors (9708473883).

27732420069 is a wasteful number, since it uses less digits than its factorization.

27732420069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56136.

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 27732420069 in words is "twenty-seven billion, seven hundred thirty-two million, four hundred twenty thousand, sixty-nine".