27713961 has 48 divisors (see below), whose sum is σ = 47880000. Its totient is φ = 15776640.

The previous prime is 27713957. The next prime is 27713971. The reversal of 27713961 is 16931772.

It is a happy number.

It is not a de Polignac number, because 27713961 - 2² = 27713957 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27713921) 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 47 ways as a sum of consecutive naturals, for example, 55290 + ... + 55788.

It is an arithmetic number, because the mean of its divisors is an integer number (997500).

Almost surely, 2^27713961 is an apocalyptic number.

It is an amenable number.

27713961 is a deficient number, since it is larger than the sum of its proper divisors (20166039).

27713961 is a wasteful number, since it uses less digits than its factorization.

27713961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 530 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 27713961 is about 5264.4050945952. The cubic root of 27713961 is about 302.6213287406.

The spelling of 27713961 in words is "twenty-seven million, seven hundred thirteen thousand, nine hundred sixty-one".