457705 has 4 divisors (see below), whose sum is σ = 549252. Its totient is φ = 366160.

The previous prime is 457697. The next prime is 457711. The reversal of 457705 is 507754.

457705 is nontrivially palindromic in base 8.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 147456 + 310249 = 384^2 + 557^2 .

It is not a de Polignac number, because 457705 - 2³ = 457697 is a prime.

It is a Duffinian 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, 45766 + ... + 45775.

It is an arithmetic number, because the mean of its divisors is an integer number (137313).

2⁴⁵⁷⁷⁰⁵ is an apocalyptic number.

It is an amenable number.

457705 is a deficient number, since it is larger than the sum of its proper divisors (91547).

457705 is an equidigital number, since it uses as much as digits as its factorization.

457705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91546.

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 457705 is about 676.5389863119. The cubic root of 457705 is about 77.0658345150.

It can be divided in two parts, 45 and 7705, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 457705 in words is "four hundred fifty-seven thousand, seven hundred five".