272040621 has 4 divisors (see below), whose sum is σ = 362720832. Its totient is φ = 181360412.

The previous prime is 272040589. The next prime is 272040623. The reversal of 272040621 is 126040272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 272040621 - 2⁵ = 272040589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 272040591 and 272040600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272040623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45340101 + ... + 45340106.

It is an arithmetic number, because the mean of its divisors is an integer number (90680208).

Almost surely, 2^272040621 is an apocalyptic number.

It is an amenable number.

272040621 is a deficient number, since it is larger than the sum of its proper divisors (90680211).

272040621 is an equidigital number, since it uses as much as digits as its factorization.

272040621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90680210.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 272040621 is about 16493.6539614483. The cubic root of 272040621 is about 647.9546126380.

Adding to 272040621 its reverse (126040272), we get a palindrome (398080893).

The spelling of 272040621 in words is "two hundred seventy-two million, forty thousand, six hundred twenty-one".