27042373 has 2 divisors, whose sum is σ = 27042374. Its totient is φ = 27042372.

The previous prime is 27042361. The next prime is 27042391. The reversal of 27042373 is 37324072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22724289 + 4318084 = 4767^2 + 2078^2 .

It is a cyclic number.

It is not a de Polignac number, because 27042373 - 2¹⁷ = 26911301 is a prime.

It is a super-2 number, since 2×27042373² = 1462579874942258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27042173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13521186 + 13521187.

It is an arithmetic number, because the mean of its divisors is an integer number (13521187).

Almost surely, 2^27042373 is an apocalyptic number.

It is an amenable number.

27042373 is a deficient number, since it is larger than the sum of its proper divisors (1).

27042373 is an equidigital number, since it uses as much as digits as its factorization.

27042373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 27042373 is about 5200.2281680711. The cubic root of 27042373 is about 300.1568550111.

The spelling of 27042373 in words is "twenty-seven million, forty-two thousand, three hundred seventy-three".