450065730 has 32 divisors (see below), whose sum is σ = 1137009600. Its totient is φ = 113700672.

The previous prime is 450065729. The next prime is 450065753. The reversal of 450065730 is 37560054.

It is a super-2 number, since 2×450065730² = 405118322640865800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394225 + ... + 395364.

It is an arithmetic number, because the mean of its divisors is an integer number (35531550).

Almost surely, 2^450065730 is an apocalyptic number.

450065730 is an abundant number, since it is smaller than the sum of its proper divisors (686943870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450065730 is a wasteful number, since it uses less digits than its factorization.

450065730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789618.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 450065730 is about 21214.7526499839. The cubic root of 450065730 is about 766.3467413319.

The spelling of 450065730 in words is "four hundred fifty million, sixty-five thousand, seven hundred thirty".