42448727 has 2 divisors, whose sum is σ = 42448728. Its totient is φ = 42448726.

The previous prime is 42448723. The next prime is 42448729. The reversal of 42448727 is 72784424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42448727 - 2² = 42448723 is a prime.

Together with 42448729, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 9.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42448723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21224363 + 21224364.

It is an arithmetic number, because the mean of its divisors is an integer number (21224364).

Almost surely, 2^42448727 is an apocalyptic number.

42448727 is a deficient number, since it is larger than the sum of its proper divisors (1).

42448727 is an equidigital number, since it uses as much as digits as its factorization.

42448727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100352, while the sum is 38.

The square root of 42448727 is about 6515.2687588464. The cubic root of 42448727 is about 348.8362080105.

The spelling of 42448727 in words is "forty-two million, four hundred forty-eight thousand, seven hundred twenty-seven".