270741721 has 4 divisors (see below), whose sum is σ = 273225700. Its totient is φ = 268257744.

The previous prime is 270741719. The next prime is 270741749. The reversal of 270741721 is 127147072.

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 154878025 + 115863696 = 12445^2 + 10764^2 .

It is a cyclic number.

It is not a de Polignac number, because 270741721 - 2¹ = 270741719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270741221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1241826 + ... + 1242043.

It is an arithmetic number, because the mean of its divisors is an integer number (68306425).

Almost surely, 2^270741721 is an apocalyptic number.

It is an amenable number.

270741721 is a deficient number, since it is larger than the sum of its proper divisors (2483979).

270741721 is a wasteful number, since it uses less digits than its factorization.

270741721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483978.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 270741721 is about 16454.2310971981. The cubic root of 270741721 is about 646.9217138225.

Adding to 270741721 its reverse (127147072), we get a palindrome (397888793).

The spelling of 270741721 in words is "two hundred seventy million, seven hundred forty-one thousand, seven hundred twenty-one".