272621005 has 8 divisors (see below), whose sum is σ = 332690400. Its totient is φ = 214400016.

The previous prime is 272620991. The next prime is 272621033. The reversal of 272621005 is 500126272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 272621005 - 2⁷ = 272620877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461775 + ... + 462364.

It is an arithmetic number, because the mean of its divisors is an integer number (41586300).

Almost surely, 2^272621005 is an apocalyptic number.

It is an amenable number.

272621005 is a deficient number, since it is larger than the sum of its proper divisors (60069395).

272621005 is an equidigital number, since it uses as much as digits as its factorization.

272621005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924203.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 272621005 is about 16511.2387481981. The cubic root of 272621005 is about 648.4150774131.

Adding to 272621005 its reverse (500126272), we get a palindrome (772747277).

The spelling of 272621005 in words is "two hundred seventy-two million, six hundred twenty-one thousand, five".