424640067 has 8 divisors (see below), whose sum is σ = 566604624. Its totient is φ = 282884448.

The previous prime is 424640039. The next prime is 424640071. The reversal of 424640067 is 760046424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 424640067 - 2¹⁰ = 424639043 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (424640267) 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 in 7 ways as a sum of consecutive naturals, for example, 47428 + ... + 55665.

It is an arithmetic number, because the mean of its divisors is an integer number (70825578).

Almost surely, 2^424640067 is an apocalyptic number.

424640067 is a deficient number, since it is larger than the sum of its proper divisors (141964557).

424640067 is a wasteful number, since it uses less digits than its factorization.

424640067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104469.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 424640067 is about 20606.7966215033. The cubic root of 424640067 is about 751.6349913698.

The spelling of 424640067 in words is "four hundred twenty-four million, six hundred forty thousand, sixty-seven".