27690701 has 4 divisors (see below), whose sum is σ = 27788832. Its totient is φ = 27592572.

The previous prime is 27690683. The next prime is 27690713. The reversal of 27690701 is 10709672.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27690701 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27690721) 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 3 ways as a sum of consecutive naturals, for example, 48641 + ... + 49206.

It is an arithmetic number, because the mean of its divisors is an integer number (6947208).

Almost surely, 2^27690701 is an apocalyptic number.

It is an amenable number.

27690701 is a deficient number, since it is larger than the sum of its proper divisors (98131).

27690701 is an equidigital number, since it uses as much as digits as its factorization.

27690701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98130.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 27690701 is about 5262.1954543707. The cubic root of 27690701 is about 302.5366428758.

The spelling of 27690701 in words is "twenty-seven million, six hundred ninety thousand, seven hundred one".