457728481 has 8 divisors (see below), whose sum is σ = 523343744. Its totient is φ = 392169600.

The previous prime is 457728473. The next prime is 457728499. The reversal of 457728481 is 184827754.

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

It is a cyclic number.

It is not a de Polignac number, because 457728481 - 2³ = 457728473 is a prime.

It is a super-2 number, since 2×457728481² = 419030724637134722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (457728181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5041 + ... + 30673.

It is an arithmetic number, because the mean of its divisors is an integer number (65417968).

Almost surely, 2^457728481 is an apocalyptic number.

It is an amenable number.

457728481 is a deficient number, since it is larger than the sum of its proper divisors (65615263).

457728481 is a wasteful number, since it uses less digits than its factorization.

457728481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28191.

The product of its digits is 501760, while the sum is 46.

The square root of 457728481 is about 21394.5899937344. The cubic root of 457728481 is about 770.6715235940.

The spelling of 457728481 in words is "four hundred fifty-seven million, seven hundred twenty-eight thousand, four hundred eighty-one".