276716728 has 8 divisors (see below), whose sum is σ = 518843880. Its totient is φ = 138358360.

The previous prime is 276716663. The next prime is 276716729. The reversal of 276716728 is 827617672.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276716729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17294788 + ... + 17294803.

It is an arithmetic number, because the mean of its divisors is an integer number (64855485).

Almost surely, 2^276716728 is an apocalyptic number.

It is an amenable number.

276716728 is a deficient number, since it is larger than the sum of its proper divisors (242127152).

276716728 is a wasteful number, since it uses less digits than its factorization.

276716728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34589597 (or 34589593 counting only the distinct ones).

The product of its digits is 395136, while the sum is 46.

The square root of 276716728 is about 16634.8047178198. The cubic root of 276716728 is about 651.6461062653.

The spelling of 276716728 in words is "two hundred seventy-six million, seven hundred sixteen thousand, seven hundred twenty-eight".