276720 has 40 divisors (see below), whose sum is σ = 858576. Its totient is φ = 73728.

The previous prime is 276707. The next prime is 276721. The reversal of 276720 is 27672.

276720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276721) by changing a digit.

276720 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337 + ... + 816.

2²⁷⁶⁷²⁰ is an apocalyptic number.

276720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276720 is an abundant number, since it is smaller than the sum of its proper divisors (581856).

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

276720 is a wasteful number, since it uses less digits than its factorization.

276720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 276720 is about 526.0418234323. The cubic root of 276720 is about 65.1648674689.

The spelling of 276720 in words is "two hundred seventy-six thousand, seven hundred twenty".