27970659 has 12 divisors (see below), whose sum is σ = 40543776. Its totient is φ = 18581712.

The previous prime is 27970643. The next prime is 27970669. The reversal of 27970659 is 95607972.

It is not a de Polignac number, because 27970659 - 2⁴ = 27970643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27970609) 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 11 ways as a sum of consecutive naturals, for example, 2667 + ... + 7940.

It is an arithmetic number, because the mean of its divisors is an integer number (3378648).

Almost surely, 2^27970659 is an apocalyptic number.

27970659 is a deficient number, since it is larger than the sum of its proper divisors (12573117).

27970659 is a wasteful number, since it uses less digits than its factorization.

27970659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10906 (or 10903 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 27970659 is about 5288.7294315365. The cubic root of 27970659 is about 303.5527927871.

The spelling of 27970659 in words is "twenty-seven million, nine hundred seventy thousand, six hundred fifty-nine".