276550068 has 48 divisors (see below), whose sum is σ = 687697920. Its totient is φ = 86295264.

The previous prime is 276550063. The next prime is 276550069. The reversal of 276550068 is 860055672.

It is a happy number.

It is a super-2 number, since 2×276550068² = 152959880221609248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276550063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2313 + ... + 23631.

It is an arithmetic number, because the mean of its divisors is an integer number (14327040).

Almost surely, 2^276550068 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 276550068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343848960).

276550068 is an abundant number, since it is smaller than the sum of its proper divisors (411147852).

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

276550068 is a wasteful number, since it uses less digits than its factorization.

276550068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21396 (or 21394 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 276550068 is about 16629.7945868252. The cubic root of 276550068 is about 651.5152562666.

The spelling of 276550068 in words is "two hundred seventy-six million, five hundred fifty thousand, sixty-eight".