27874937 has 2 divisors, whose sum is σ = 27874938. Its totient is φ = 27874936.

The previous prime is 27874927. The next prime is 27874939. The reversal of 27874937 is 73947872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17480761 + 10394176 = 4181^2 + 3224^2 .

It is a cyclic number.

It is not a de Polignac number, because 27874937 - 2¹⁶ = 27809401 is a prime.

It is a super-2 number, since 2×27874937² = 1554024225507938, which contains 22 as substring.

Together with 27874939, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 27874891 and 27874900.

It is not a weakly prime, because it can be changed into another prime (27874939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13937468 + 13937469.

It is an arithmetic number, because the mean of its divisors is an integer number (13937469).

Almost surely, 2^27874937 is an apocalyptic number.

It is an amenable number.

27874937 is a deficient number, since it is larger than the sum of its proper divisors (1).

27874937 is an equidigital number, since it uses as much as digits as its factorization.

27874937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 592704, while the sum is 47.

The square root of 27874937 is about 5279.6720542094. The cubic root of 27874937 is about 303.2061213007.

The spelling of 27874937 in words is "twenty-seven million, eight hundred seventy-four thousand, nine hundred thirty-seven".