276772 has 6 divisors (see below), whose sum is σ = 484358. Its totient is φ = 138384.

The previous prime is 276767. The next prime is 276779. The reversal of 276772 is 277672.

It can be written as a sum of positive squares in only one way, i.e., 256036 + 20736 = 506^2 + 144^2 .

It is not an unprimeable number, because it can be changed into a prime (276779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34593 + ... + 34600.

2²⁷⁶⁷⁷² is an apocalyptic number.

It is an amenable number.

276772 is a deficient number, since it is larger than the sum of its proper divisors (207586).

276772 is a wasteful number, since it uses less digits than its factorization.

276772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69197 (or 69195 counting only the distinct ones).

The product of its digits is 8232, while the sum is 31.

The square root of 276772 is about 526.0912468384. The cubic root of 276772 is about 65.1689490446.

Subtracting 276772 from its reverse (277672), we obtain a square (900 = 30²).

The spelling of 276772 in words is "two hundred seventy-six thousand, seven hundred seventy-two".