450423734 has 4 divisors (see below), whose sum is σ = 675635604. Its totient is φ = 225211866.

The previous prime is 450423731. The next prime is 450423751. The reversal of 450423734 is 437324054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 437324054 = 2 ⋅218662027.

It is a self number, because there is not a number n which added to its sum of digits gives 450423734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450423731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112605932 + ... + 112605935.

It is an arithmetic number, because the mean of its divisors is an integer number (168908901).

Almost surely, 2^450423734 is an apocalyptic number.

450423734 is a deficient number, since it is larger than the sum of its proper divisors (225211870).

450423734 is a wasteful number, since it uses less digits than its factorization.

450423734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225211869.

The product of its (nonzero) digits is 40320, while the sum is 32.

The square root of 450423734 is about 21223.1885917267. The cubic root of 450423734 is about 766.5498838712.

Adding to 450423734 its product of nonzero digits (40320), we get a palindrome (450464054).

Adding to 450423734 its reverse (437324054), we get a palindrome (887747788).

The spelling of 450423734 in words is "four hundred fifty million, four hundred twenty-three thousand, seven hundred thirty-four".