276130720 has 48 divisors (see below), whose sum is σ = 654340680. Its totient is φ = 110116864.

The previous prime is 276130693. The next prime is 276130739. The reversal of 276130720 is 27031672.

It can be written as a sum of positive squares in 4 ways, for example, as 232623504 + 43507216 = 15252^2 + 6596^2 .

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 7 ways as a sum of consecutive naturals, for example, 54036 + ... + 58924.

Almost surely, 2^276130720 is an apocalyptic number.

276130720 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 276130720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327170340).

276130720 is an abundant number, since it is smaller than the sum of its proper divisors (378209960).

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

276130720 is a wasteful number, since it uses less digits than its factorization.

276130720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5257 (or 5249 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 276130720 is about 16617.1814697920. The cubic root of 276130720 is about 651.1857802657.

The spelling of 276130720 in words is "two hundred seventy-six million, one hundred thirty thousand, seven hundred twenty".