675636049 has 27 divisors (see below), whose sum is σ = 794612091. Its totient is φ = 573925440.

The previous prime is 675636047. The next prime is 675636053. The reversal of 675636049 is 940636576.

The square root of 675636049 is 25993.

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

It can be written as a sum of positive squares in only one way, i.e., 526014225 + 149621824 = 22935^2 + 12232^2 .

It is not a de Polignac number, because 675636049 - 2¹ = 675636047 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675636043) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4860622 + ... + 4860760.

Almost surely, 2^675636049 is an apocalyptic number.

675636049 is the 25993-rd square number.

675636049 is the 12997-th centered octagonal number.

It is an amenable number.

675636049 is a deficient number, since it is larger than the sum of its proper divisors (118976042).

675636049 is a wasteful number, since it uses less digits than its factorization.

675636049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 46.

The cubic root of 675636049 is about 877.4807636414.

The spelling of 675636049 in words is "six hundred seventy-five million, six hundred thirty-six thousand, forty-nine".