276644132 has 6 divisors (see below), whose sum is σ = 484127238. Its totient is φ = 138322064.

The previous prime is 276644119. The next prime is 276644149. The reversal of 276644132 is 231446672.

It can be written as a sum of positive squares in only one way, i.e., 233295076 + 43349056 = 15274^2 + 6584^2 .

It is a junction number, because it is equal to n+sod(n) for n = 276644092 and 276644101.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 34580513 + ... + 34580520.

It is an arithmetic number, because the mean of its divisors is an integer number (80687873).

Almost surely, 2^276644132 is an apocalyptic number.

It is an amenable number.

276644132 is a deficient number, since it is larger than the sum of its proper divisors (207483106).

276644132 is a wasteful number, since it uses less digits than its factorization.

276644132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69161037 (or 69161035 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 276644132 is about 16632.6225232222. The cubic root of 276644132 is about 651.5891153265.

The spelling of 276644132 in words is "two hundred seventy-six million, six hundred forty-four thousand, one hundred thirty-two".