276348768 has 48 divisors (see below), whose sum is σ = 763600320. Its totient is φ = 87267456.

The previous prime is 276348763. The next prime is 276348781. The reversal of 276348768 is 867843672.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 276348768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276348763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73930 + ... + 77577.

It is an arithmetic number, because the mean of its divisors is an integer number (15908340).

Almost surely, 2^276348768 is an apocalyptic number.

It is an amenable number.

276348768 is an abundant number, since it is smaller than the sum of its proper divisors (487251552).

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

276348768 is a wasteful number, since it uses less digits than its factorization.

276348768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151539 (or 151531 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 51.

The square root of 276348768 is about 16623.7410951927. The cubic root of 276348768 is about 651.3571392017.

The spelling of 276348768 in words is "two hundred seventy-six million, three hundred forty-eight thousand, seven hundred sixty-eight".