457630 has 8 divisors (see below), whose sum is σ = 823752. Its totient is φ = 183048.

The previous prime is 457621. The next prime is 457643. The reversal of 457630 is 36754.

457630 is nontrivially palindromic in base 9.

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

It is a junction number, because it is equal to n+sod(n) for n = 457595 and 457604.

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, 22872 + ... + 22891.

It is an arithmetic number, because the mean of its divisors is an integer number (102969).

2⁴⁵⁷⁶³⁰ is an apocalyptic number.

457630 is a deficient number, since it is larger than the sum of its proper divisors (366122).

457630 is a wasteful number, since it uses less digits than its factorization.

457630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45770.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 457630 is about 676.4835548629. The cubic root of 457630 is about 77.0616249234.

The spelling of 457630 in words is "four hundred fifty-seven thousand, six hundred thirty".