274047005 has 4 divisors (see below), whose sum is σ = 328856412. Its totient is φ = 219237600.

The previous prime is 274046963. The next prime is 274047023. The reversal of 274047005 is 500740472.

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 47183161 + 226863844 = 6869^2 + 15062^2 .

It is a de Polignac number, because none of the positive numbers 2^k-274047005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 27404696 + ... + 27404705.

It is an arithmetic number, because the mean of its divisors is an integer number (82214103).

Almost surely, 2^274047005 is an apocalyptic number.

It is an amenable number.

274047005 is a deficient number, since it is larger than the sum of its proper divisors (54809407).

274047005 is an equidigital number, since it uses as much as digits as its factorization.

274047005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54809406.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 274047005 is about 16554.3651343082. The cubic root of 274047005 is about 649.5436678729.

Adding to 274047005 its reverse (500740472), we get a palindrome (774787477).

The spelling of 274047005 in words is "two hundred seventy-four million, forty-seven thousand, five".