450729667 has 4 divisors (see below), whose sum is σ = 456904120. Its totient is φ = 444555216.

The previous prime is 450729659. The next prime is 450729679. The reversal of 450729667 is 766927054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 450729667 - 2³ = 450729659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450729467) 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 3 ways as a sum of consecutive naturals, for example, 3087117 + ... + 3087262.

It is an arithmetic number, because the mean of its divisors is an integer number (114226030).

Almost surely, 2^450729667 is an apocalyptic number.

450729667 is a deficient number, since it is larger than the sum of its proper divisors (6174453).

450729667 is an equidigital number, since it uses as much as digits as its factorization.

450729667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6174452.

The product of its (nonzero) digits is 635040, while the sum is 46.

The square root of 450729667 is about 21230.3948856351. The cubic root of 450729667 is about 766.7233944372.

The spelling of 450729667 in words is "four hundred fifty million, seven hundred twenty-nine thousand, six hundred sixty-seven".