275748479 has 4 divisors (see below), whose sum is σ = 275812584. Its totient is φ = 275684376.

The previous prime is 275748469. The next prime is 275748491. The reversal of 275748479 is 974847572.

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 275748479 - 2¹⁶ = 275682943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 275748479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275748439) 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, 25097 + ... + 34370.

It is an arithmetic number, because the mean of its divisors is an integer number (68953146).

Almost surely, 2^275748479 is an apocalyptic number.

275748479 is a deficient number, since it is larger than the sum of its proper divisors (64105).

275748479 is an equidigital number, since it uses as much as digits as its factorization.

275748479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64104.

The product of its digits is 3951360, while the sum is 53.

The square root of 275748479 is about 16605.6761078855. The cubic root of 275748479 is about 650.8851679983.

The spelling of 275748479 in words is "two hundred seventy-five million, seven hundred forty-eight thousand, four hundred seventy-nine".