450728934 has 8 divisors (see below), whose sum is σ = 901457880. Its totient is φ = 150242976.

The previous prime is 450728923. The next prime is 450728959. The reversal of 450728934 is 439827054.

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

450728934 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37560739 + ... + 37560750.

It is an arithmetic number, because the mean of its divisors is an integer number (112682235).

Almost surely, 2^450728934 is an apocalyptic number.

450728934 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

450728934 is a wasteful number, since it uses less digits than its factorization.

450728934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75121494.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 450728934 is about 21230.3776226425. The cubic root of 450728934 is about 766.7229788085.

The spelling of 450728934 in words is "four hundred fifty million, seven hundred twenty-eight thousand, nine hundred thirty-four".