42928727 has 2 divisors, whose sum is σ = 42928728. Its totient is φ = 42928726.

The previous prime is 42928693. The next prime is 42928747. The reversal of 42928727 is 72782924.

42928727 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42928727 - 2¹² = 42924631 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42928747) 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, 21464363 + 21464364.

It is an arithmetic number, because the mean of its divisors is an integer number (21464364).

Almost surely, 2^42928727 is an apocalyptic number.

42928727 is a deficient number, since it is larger than the sum of its proper divisors (1).

42928727 is an equidigital number, since it uses as much as digits as its factorization.

42928727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 41.

The square root of 42928727 is about 6552.0017551890. The cubic root of 42928727 is about 350.1461348944.

The spelling of 42928727 in words is "forty-two million, nine hundred twenty-eight thousand, seven hundred twenty-seven".