452710729 has 3 divisors (see below), whose sum is σ = 452732007. Its totient is φ = 452689452.

The previous prime is 452710711. The next prime is 452710813. The reversal of 452710729 is 927017254.

The square root of 452710729 is 21277.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 22231225 + 430479504 = 4715^2 + 20748^2 .

It is not a de Polignac number, because 452710729 - 2¹⁵ = 452677961 is a prime.

It is a super-2 number, since 2×452710729² = 409894008303422882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452710229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 10639 + ... + 31915.

It is an arithmetic number, because the mean of its divisors is an integer number (150910669).

Almost surely, 2^452710729 is an apocalyptic number.

452710729 is the 21277-th square number.

452710729 is the 10639-th centered octagonal number.

It is an amenable number.

452710729 is a deficient number, since it is larger than the sum of its proper divisors (21278).

452710729 is an frugal number, since it uses more digits than its factorization.

452710729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42554 (or 21277 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The cubic root of 452710729 is about 767.8450620832.

The spelling of 452710729 in words is "four hundred fifty-two million, seven hundred ten thousand, seven hundred twenty-nine".