450636073 has 4 divisors (see below), whose sum is σ = 450689220. Its totient is φ = 450582928.

The previous prime is 450636059. The next prime is 450636083. The reversal of 450636073 is 370636054.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 370636054 = 2 ⋅185318027.

It can be written as a sum of positive squares in 2 ways, for example, as 284664384 + 165971689 = 16872^2 + 12883^2 .

It is a cyclic number.

It is not a de Polignac number, because 450636073 - 2²⁵ = 417081641 is a prime.

It is a super-2 number, since 2×450636073² = 406145740577722658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450636013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10690 + ... + 31867.

It is an arithmetic number, because the mean of its divisors is an integer number (112672305).

Almost surely, 2^450636073 is an apocalyptic number.

It is an amenable number.

450636073 is a deficient number, since it is larger than the sum of its proper divisors (53147).

450636073 is a wasteful number, since it uses less digits than its factorization.

450636073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53146.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 450636073 is about 21228.1905258079. The cubic root of 450636073 is about 766.6703207345.

The spelling of 450636073 in words is "four hundred fifty million, six hundred thirty-six thousand, seventy-three".