450072373 has 8 divisors (see below), whose sum is σ = 466018200. Its totient is φ = 434155008.

The previous prime is 450072313. The next prime is 450072383. The reversal of 450072373 is 373270054.

It can be written as a sum of positive squares in 4 ways, for example, as 27646564 + 422425809 = 5258^2 + 20553^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450072373 is a prime.

It is a super-2 number, since 2×450072373² = 405130281875702258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450072313) 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, 28093 + ... + 41101.

It is an arithmetic number, because the mean of its divisors is an integer number (58252275).

Almost surely, 2^450072373 is an apocalyptic number.

It is an amenable number.

450072373 is a deficient number, since it is larger than the sum of its proper divisors (15945827).

450072373 is a wasteful number, since it uses less digits than its factorization.

450072373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14231.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 450072373 is about 21214.9092149837. The cubic root of 450072373 is about 766.3505117562.

The spelling of 450072373 in words is "four hundred fifty million, seventy-two thousand, three hundred seventy-three".