42824179 has 2 divisors, whose sum is σ = 42824180. Its totient is φ = 42824178.

The previous prime is 42824161. The next prime is 42824263. The reversal of 42824179 is 97142824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42824179 - 2¹⁹ = 42299891 is a prime.

It is not a weakly prime, because it can be changed into another prime (42824149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21412089 + 21412090.

It is an arithmetic number, because the mean of its divisors is an integer number (21412090).

Almost surely, 2^42824179 is an apocalyptic number.

42824179 is a deficient number, since it is larger than the sum of its proper divisors (1).

42824179 is an equidigital number, since it uses as much as digits as its factorization.

42824179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 37.

The square root of 42824179 is about 6544.0185665996. The cubic root of 42824179 is about 349.8616568895.

The spelling of 42824179 in words is "forty-two million, eight hundred twenty-four thousand, one hundred seventy-nine".