272891401 has 4 divisors (see below), whose sum is σ = 272937492. Its totient is φ = 272845312.

The previous prime is 272891383. The next prime is 272891413. The reversal of 272891401 is 104198272.

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 44156025 + 228735376 = 6645^2 + 15124^2 .

It is a cyclic number.

It is not a de Polignac number, because 272891401 - 2⁷ = 272891273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272891431) by changing a digit.

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, 12580 + ... + 26533.

It is an arithmetic number, because the mean of its divisors is an integer number (68234373).

Almost surely, 2^272891401 is an apocalyptic number.

It is an amenable number.

272891401 is a deficient number, since it is larger than the sum of its proper divisors (46091).

272891401 is an equidigital number, since it uses as much as digits as its factorization.

272891401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46090.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 272891401 is about 16519.4249597254. The cubic root of 272891401 is about 648.6293809162.

The spelling of 272891401 in words is "two hundred seventy-two million, eight hundred ninety-one thousand, four hundred one".