275746 has 4 divisors (see below), whose sum is σ = 413622. Its totient is φ = 137872.

The previous prime is 275741. The next prime is 275767. The reversal of 275746 is 647572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 275625 + 121 = 525^2 + 11^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (275741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68935 + ... + 68938.

2²⁷⁵⁷⁴⁶ is an apocalyptic number.

275746 is a deficient number, since it is larger than the sum of its proper divisors (137876).

275746 is a wasteful number, since it uses less digits than its factorization.

275746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137875.

The product of its digits is 11760, while the sum is 31.

The square root of 275746 is about 525.1152254506. The cubic root of 275746 is about 65.0883217490.

The spelling of 275746 in words is "two hundred seventy-five thousand, seven hundred forty-six".