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734449 = 8572

734449 has 3 divisors (see below), whose sum is σ = 735307. Its totient is φ = 733592.

The previous prime is 734443. The next prime is 734471. The reversal of 734449 is 944437.

The square root of 734449 is 857.

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, and also an emirpimes, since its reverse is a distinct semiprime: 944437 = 1372649.

It can be written as a sum of positive squares in only one way, i.e., 680625 + 53824 = 825^2 + 232^2 .

It is not a de Polignac number, because 734449 - 29 = 733937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 734449.

It is not an unprimeable number, because it can be changed into a prime (734443) 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 2 ways as a sum of consecutive naturals, for example, 429 + ... + 1285.

2734449 is an apocalyptic number.

734449 is the 857-th square number.

734449 is the 429-th centered octagonal number.

It is an amenable number.

734449 is a deficient number, since it is larger than the sum of its proper divisors (858).

734449 is an frugal number, since it uses more digits than its factorization.

734449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714 (or 857 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The cubic root of 734449 is about 90.2236822918.

The spelling of 734449 in words is "seven hundred thirty-four thousand, four hundred forty-nine".

Divisors: 1 857 734449