275640713 has 4 divisors (see below), whose sum is σ = 283090500. Its totient is φ = 268190928.

The previous prime is 275640697. The next prime is 275640721. The reversal of 275640713 is 317046572.

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

It can be written as a sum of positive squares in 2 ways, for example, as 222248464 + 53392249 = 14908^2 + 7307^2 .

It is a cyclic number.

It is not a de Polignac number, because 275640713 - 2⁴ = 275640697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275640913) 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, 3724838 + ... + 3724911.

It is an arithmetic number, because the mean of its divisors is an integer number (70772625).

Almost surely, 2^275640713 is an apocalyptic number.

It is an amenable number.

275640713 is a deficient number, since it is larger than the sum of its proper divisors (7449787).

275640713 is an equidigital number, since it uses as much as digits as its factorization.

275640713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7449786.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 275640713 is about 16602.4309364623. The cubic root of 275640713 is about 650.8003655594.

The spelling of 275640713 in words is "two hundred seventy-five million, six hundred forty thousand, seven hundred thirteen".