276666672 has 20 divisors (see below), whose sum is σ = 714722360. Its totient is φ = 92222208.

The previous prime is 276666667. The next prime is 276666679.

276666672 is nontrivially palindromic in base 10.

276666672 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 5763889 = 276666672 / (2 + 7 + 6 + 6 + 6 + 6 + 6 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (276666679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2881897 + ... + 2881992.

It is an arithmetic number, because the mean of its divisors is an integer number (35736118).

Almost surely, 2^276666672 is an apocalyptic number.

It is an amenable number.

276666672 is an abundant number, since it is smaller than the sum of its proper divisors (438055688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

276666672 is a wasteful number, since it uses less digits than its factorization.

276666672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5763900 (or 5763894 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 48.

The square root of 276666672 is about 16633.3000934872. The cubic root of 276666672 is about 651.6068112495.

The spelling of 276666672 in words is "two hundred seventy-six million, six hundred sixty-six thousand, six hundred seventy-two".