272801005 has 4 divisors (see below), whose sum is σ = 327361212. Its totient is φ = 218240800.

The previous prime is 272800981. The next prime is 272801021. The reversal of 272801005 is 500108272.

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 119115396 + 153685609 = 10914^2 + 12397^2 .

It is not a de Polignac number, because 272801005 - 2⁵ = 272800973 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27280096 + ... + 27280105.

It is an arithmetic number, because the mean of its divisors is an integer number (81840303).

Almost surely, 2^272801005 is an apocalyptic number.

It is an amenable number.

272801005 is a deficient number, since it is larger than the sum of its proper divisors (54560207).

272801005 is an equidigital number, since it uses as much as digits as its factorization.

272801005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54560206.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 272801005 is about 16516.6886814519. The cubic root of 272801005 is about 648.5577529394.

Adding to 272801005 its reverse (500108272), we get a palindrome (772909277).

The spelling of 272801005 in words is "two hundred seventy-two million, eight hundred one thousand, five".