8276720 has 40 divisors (see below), whose sum is σ = 19363344. Its totient is φ = 3290112.

The previous prime is 8276713. The next prime is 8276743. The reversal of 8276720 is 276728.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 24392 + ... + 24728.

Almost surely, 2^8276720 is an apocalyptic number.

8276720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8276720 is an abundant number, since it is smaller than the sum of its proper divisors (11086624).

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

8276720 is a wasteful number, since it uses less digits than its factorization.

8276720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 8276720 is about 2876.9289181348. The cubic root of 8276720 is about 202.2799112650.

The spelling of 8276720 in words is "eight million, two hundred seventy-six thousand, seven hundred twenty".