276249172 has 6 divisors (see below), whose sum is σ = 483436058. Its totient is φ = 138124584.

The previous prime is 276249161. The next prime is 276249187. The reversal of 276249172 is 271942672.

It can be written as a sum of positive squares in only one way, i.e., 254849296 + 21399876 = 15964^2 + 4626^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34531143 + ... + 34531150.

Almost surely, 2^276249172 is an apocalyptic number.

It is an amenable number.

276249172 is a deficient number, since it is larger than the sum of its proper divisors (207186886).

276249172 is a wasteful number, since it uses less digits than its factorization.

276249172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69062297 (or 69062295 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 276249172 is about 16620.7452299829. The cubic root of 276249172 is about 651.2788801705.

The spelling of 276249172 in words is "two hundred seventy-six million, two hundred forty-nine thousand, one hundred seventy-two".