27370681 has 8 divisors (see below), whose sum is σ = 29631560. Its totient is φ = 25132032.

The previous prime is 27370669. The next prime is 27370687. The reversal of 27370681 is 18607372.

It can be written as a sum of positive squares in 4 ways, for example, as 164025 + 27206656 = 405^2 + 5216^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27370681 is a prime.

It is a super-2 number, since 2×27370681² = 1498308356807522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27370687) 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, 2946 + ... + 7963.

It is an arithmetic number, because the mean of its divisors is an integer number (3703945).

Almost surely, 2^27370681 is an apocalyptic number.

It is an amenable number.

27370681 is a deficient number, since it is larger than the sum of its proper divisors (2260879).

27370681 is a wasteful number, since it uses less digits than its factorization.

27370681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11115.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 27370681 is about 5231.6996282279. The cubic root of 27370681 is about 301.3666572980.

The spelling of 27370681 in words is "twenty-seven million, three hundred seventy thousand, six hundred eighty-one".