276147648 has 84 divisors (see below), whose sum is σ = 904615920. Its totient is φ = 78898176.

The previous prime is 276147631. The next prime is 276147679. The reversal of 276147648 is 846741672.

276147648 is a `hidden beast` number, since 27 + 614 + 7 + 6 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 30213 + ... + 38276.

Almost surely, 2^276147648 is an apocalyptic number.

276147648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

276147648 is an abundant number, since it is smaller than the sum of its proper divisors (628468272).

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

276147648 is a wasteful number, since it uses less digits than its factorization.

276147648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68514 (or 68501 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 276147648 is about 16617.6908143099. The cubic root of 276147648 is about 651.1990868229.

The spelling of 276147648 in words is "two hundred seventy-six million, one hundred forty-seven thousand, six hundred forty-eight".