27074987 has 2 divisors, whose sum is σ = 27074988. Its totient is φ = 27074986.

The previous prime is 27074977. The next prime is 27075007. The reversal of 27074987 is 78947072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27074987 - 2⁸ = 27074731 is a prime.

It is a Chen prime.

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

It is not a weakly prime, because it can be changed into another prime (27074947) 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 as a sum of consecutive naturals, namely, 13537493 + 13537494.

It is an arithmetic number, because the mean of its divisors is an integer number (13537494).

Almost surely, 2^27074987 is an apocalyptic number.

27074987 is a deficient number, since it is larger than the sum of its proper divisors (1).

27074987 is an equidigital number, since it uses as much as digits as its factorization.

27074987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 44.

The square root of 27074987 is about 5203.3630471071. The cubic root of 27074987 is about 300.2774729131.

It can be divided in two parts, 270 and 74987, that added together give a palindrome (75257).

The spelling of 27074987 in words is "twenty-seven million, seventy-four thousand, nine hundred eighty-seven".