276728600 has 48 divisors (see below), whose sum is σ = 645963120. Its totient is φ = 110249600.

The previous prime is 276728593. The next prime is 276728653. The reversal of 276728600 is 6827672.

276728600 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 49970 + ... + 55230.

It is an arithmetic number, because the mean of its divisors is an integer number (13457565).

Almost surely, 2^276728600 is an apocalyptic number.

276728600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276728600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322981560).

276728600 is an abundant number, since it is smaller than the sum of its proper divisors (369234520).

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

276728600 is a wasteful number, since it uses less digits than its factorization.

276728600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5540 (or 5531 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 276728600 is about 16635.1615561737. The cubic root of 276728600 is about 651.6554253404.

The spelling of 276728600 in words is "two hundred seventy-six million, seven hundred twenty-eight thousand, six hundred".