16724879 has 2 divisors, whose sum is σ = 16724880. Its totient is φ = 16724878.

The previous prime is 16724867. The next prime is 16724971. The reversal of 16724879 is 97842761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16724879 - 2⁴ = 16724863 is a prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16784879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8362439 + 8362440.

It is an arithmetic number, because the mean of its divisors is an integer number (8362440).

Almost surely, 2^16724879 is an apocalyptic number.

16724879 is a deficient number, since it is larger than the sum of its proper divisors (1).

16724879 is an equidigital number, since it uses as much as digits as its factorization.

16724879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 44.

The square root of 16724879 is about 4089.6062157621. The cubic root of 16724879 is about 255.7335229657.

The spelling of 16724879 in words is "sixteen million, seven hundred twenty-four thousand, eight hundred seventy-nine".