457320273 has 8 divisors (see below), whose sum is σ = 624632736. Its totient is φ = 297444000.

The previous prime is 457320263. The next prime is 457320287. The reversal of 457320273 is 372023754.

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

It is not a de Polignac number, because 457320273 - 2⁴ = 457320257 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (457320263) 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, 1858903 + ... + 1859148.

It is an arithmetic number, because the mean of its divisors is an integer number (78079092).

Almost surely, 2^457320273 is an apocalyptic number.

It is an amenable number.

457320273 is a deficient number, since it is larger than the sum of its proper divisors (167312463).

457320273 is a wasteful number, since it uses less digits than its factorization.

457320273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3718095.

The product of its (nonzero) digits is 35280, while the sum is 33.

The square root of 457320273 is about 21385.0478839773. The cubic root of 457320273 is about 770.4423572793.

The spelling of 457320273 in words is "four hundred fifty-seven million, three hundred twenty thousand, two hundred seventy-three".