276267768 has 32 divisors (see below), whose sum is σ = 789336960. Its totient is φ = 78933600.

The previous prime is 276267689. The next prime is 276267769. The reversal of 276267768 is 867762672.

276267768 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 276267768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276267769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822058 + ... + 822393.

It is an arithmetic number, because the mean of its divisors is an integer number (24666780).

Almost surely, 2^276267768 is an apocalyptic number.

276267768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

276267768 is an abundant number, since it is smaller than the sum of its proper divisors (513069192).

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

276267768 is a wasteful number, since it uses less digits than its factorization.

276267768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644467 (or 1644463 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 51.

The square root of 276267768 is about 16621.3046419347. The cubic root of 276267768 is about 651.2934936807.

The spelling of 276267768 in words is "two hundred seventy-six million, two hundred sixty-seven thousand, seven hundred sixty-eight".