276746768 has 40 divisors (see below), whose sum is σ = 556136280. Its totient is φ = 133253120.

The previous prime is 276746737. The next prime is 276746773. The reversal of 276746768 is 867647672.

It can be written as a sum of positive squares in 4 ways, for example, as 83759104 + 192987664 = 9152^2 + 13892^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313688 + ... + 314568.

It is an arithmetic number, because the mean of its divisors is an integer number (13903407).

Almost surely, 2^276746768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276746768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278068140).

276746768 is an abundant number, since it is smaller than the sum of its proper divisors (279389512).

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

276746768 is a wasteful number, since it uses less digits than its factorization.

276746768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595 (or 1589 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 53.

The square root of 276746768 is about 16635.7076194552. The cubic root of 276746768 is about 651.6696860236.

The spelling of 276746768 in words is "two hundred seventy-six million, seven hundred forty-six thousand, seven hundred sixty-eight".