276730 has 8 divisors (see below), whose sum is σ = 498132. Its totient is φ = 110688.

The previous prime is 276721. The next prime is 276739. The reversal of 276730 is 37672.

It is an interprime number because it is at equal distance from previous prime (276721) and next prime (276739).

It can be written as a sum of positive squares in 2 ways, for example, as 231361 + 45369 = 481^2 + 213^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 276695 and 276704.

It is not an unprimeable number, because it can be changed into a prime (276739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13827 + ... + 13846.

2²⁷⁶⁷³⁰ is an apocalyptic number.

276730 is a deficient number, since it is larger than the sum of its proper divisors (221402).

276730 is a wasteful number, since it uses less digits than its factorization.

276730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27680.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 276730 is about 526.0513282941. The cubic root of 276730 is about 65.1656524270.

The spelling of 276730 in words is "two hundred seventy-six thousand, seven hundred thirty".