424600073 has 2 divisors, whose sum is σ = 424600074. Its totient is φ = 424600072.

The previous prime is 424600069. The next prime is 424600129. The reversal of 424600073 is 370006424.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 374925769 + 49674304 = 19363^2 + 7048^2 .

It is a cyclic number.

It is not a de Polignac number, because 424600073 - 2² = 424600069 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (424600973) 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, 212300036 + 212300037.

It is an arithmetic number, because the mean of its divisors is an integer number (212300037).

Almost surely, 2^424600073 is an apocalyptic number.

It is an amenable number.

424600073 is a deficient number, since it is larger than the sum of its proper divisors (1).

424600073 is an equidigital number, since it uses as much as digits as its factorization.

424600073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 424600073 is about 20605.8261906675. The cubic root of 424600073 is about 751.6113934760.

Adding to 424600073 its reverse (370006424), we get a palindrome (794606497).

The spelling of 424600073 in words is "four hundred twenty-four million, six hundred thousand, seventy-three".