27706137 has 8 divisors (see below), whose sum is σ = 37000704. Its totient is φ = 18441168.

The previous prime is 27706109. The next prime is 27706177. The reversal of 27706137 is 73160772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27706137 - 2¹⁰ = 27705113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27706098 and 27706107.

It is not an unprimeable number, because it can be changed into a prime (27706177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5113 + ... + 9030.

It is an arithmetic number, because the mean of its divisors is an integer number (4625088).

Almost surely, 2^27706137 is an apocalyptic number.

It is an amenable number.

27706137 is a deficient number, since it is larger than the sum of its proper divisors (9294567).

27706137 is a wasteful number, since it uses less digits than its factorization.

27706137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14799.

The product of its (nonzero) digits is 12348, while the sum is 33.

The square root of 27706137 is about 5263.6619382327. The cubic root of 27706137 is about 302.5928481237.

The spelling of 27706137 in words is "twenty-seven million, seven hundred six thousand, one hundred thirty-seven".