275730747 has 4 divisors (see below), whose sum is σ = 367641000. Its totient is φ = 183820496.

The previous prime is 275730743. The next prime is 275730773. The reversal of 275730747 is 747037572.

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

It is a cyclic number.

It is not a de Polignac number, because 275730747 - 2² = 275730743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 275730699 and 275730708.

It is not an unprimeable number, because it can be changed into a prime (275730743) 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, 45955122 + ... + 45955127.

It is an arithmetic number, because the mean of its divisors is an integer number (91910250).

Almost surely, 2^275730747 is an apocalyptic number.

275730747 is a deficient number, since it is larger than the sum of its proper divisors (91910253).

275730747 is an equidigital number, since it uses as much as digits as its factorization.

275730747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91910252.

The product of its (nonzero) digits is 288120, while the sum is 42.

The square root of 275730747 is about 16605.1421854798. The cubic root of 275730747 is about 650.8712159803.

The spelling of 275730747 in words is "two hundred seventy-five million, seven hundred thirty thousand, seven hundred forty-seven".