27425747 has 2 divisors, whose sum is σ = 27425748. Its totient is φ = 27425746.

The previous prime is 27425711. The next prime is 27425753. The reversal of 27425747 is 74752472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27425747 - 2¹⁶ = 27360211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27425747.

It is not a weakly prime, because it can be changed into another prime (27421747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13712873 + 13712874.

It is an arithmetic number, because the mean of its divisors is an integer number (13712874).

Almost surely, 2^27425747 is an apocalyptic number.

27425747 is a deficient number, since it is larger than the sum of its proper divisors (1).

27425747 is an equidigital number, since it uses as much as digits as its factorization.

27425747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 109760, while the sum is 38.

The square root of 27425747 is about 5236.9597096025. The cubic root of 27425747 is about 301.5686245027.

The spelling of 27425747 in words is "twenty-seven million, four hundred twenty-five thousand, seven hundred forty-seven".