455720 has 16 divisors (see below), whose sum is σ = 1025460. Its totient is φ = 182272.

The previous prime is 455717. The next prime is 455737. The reversal of 455720 is 27554.

It can be written as a sum of positive squares in 2 ways, for example, as 454276 + 1444 = 674^2 + 38^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 455720.

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, 5657 + ... + 5736.

2⁴⁵⁵⁷²⁰ is an apocalyptic number.

455720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

455720 is an abundant number, since it is smaller than the sum of its proper divisors (569740).

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

455720 is a wasteful number, since it uses less digits than its factorization.

455720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11404 (or 11400 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 455720 is about 675.0703667026. The cubic root of 455720 is about 76.9542653017.

The spelling of 455720 in words is "four hundred fifty-five thousand, seven hundred twenty".