276875280 has 320 divisors, whose sum is σ = 1068503040. Its totient is φ = 65318400.

The previous prime is 276875213. The next prime is 276875299. The reversal of 276875280 is 82578672.

276875280 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 (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1021545 + ... + 1021815.

It is an arithmetic number, because the mean of its divisors is an integer number (3339072).

Almost surely, 2^276875280 is an apocalyptic number.

276875280 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 276875280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534251520).

276875280 is an abundant number, since it is smaller than the sum of its proper divisors (791627760).

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

276875280 is a wasteful number, since it uses less digits than its factorization.

276875280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 276875280 is about 16639.5697059750. The cubic root of 276875280 is about 651.7705416608.

The spelling of 276875280 in words is "two hundred seventy-six million, eight hundred seventy-five thousand, two hundred eighty".