27070138692 has 72 divisors (see below), whose sum is σ = 68787823104. Its totient is φ = 8975943936.

The previous prime is 27070138691. The next prime is 27070138699. The reversal of 27070138692 is 29683107072.

It is not an unprimeable number, because it can be changed into a prime (27070138691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8169228 + ... + 8172540.

It is an arithmetic number, because the mean of its divisors is an integer number (955386432).

Almost surely, 2^27070138692 is an apocalyptic number.

It is an amenable number.

27070138692 is an abundant number, since it is smaller than the sum of its proper divisors (41717684412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27070138692 is a wasteful number, since it uses less digits than its factorization.

27070138692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4449 (or 4444 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 27070138692 in words is "twenty-seven billion, seventy million, one hundred thirty-eight thousand, six hundred ninety-two".