452729 has 4 divisors (see below), whose sum is σ = 454260. Its totient is φ = 451200.

The previous prime is 452701. The next prime is 452731. The reversal of 452729 is 927254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 927254 = 2 ⋅463627.

It can be written as a sum of positive squares in 2 ways, for example, as 270400 + 182329 = 520^2 + 427^2 .

It is a cyclic number.

It is not a de Polignac number, because 452729 - 2¹² = 448633 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164 + ... + 965.

It is an arithmetic number, because the mean of its divisors is an integer number (113565).

2⁴⁵²⁷²⁹ is an apocalyptic number.

It is an amenable number.

452729 is a deficient number, since it is larger than the sum of its proper divisors (1531).

452729 is a wasteful number, since it uses less digits than its factorization.

452729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530.

The product of its digits is 5040, while the sum is 29.

The square root of 452729 is about 672.8513951832. The cubic root of 452729 is about 76.7855391791.

The spelling of 452729 in words is "four hundred fifty-two thousand, seven hundred twenty-nine".