272532649 has 4 divisors (see below), whose sum is σ = 278331264. Its totient is φ = 266734036.

The previous prime is 272532619. The next prime is 272532653. The reversal of 272532649 is 946235272.

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 272532649 - 2⁹ = 272532137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272532619) 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, 2899237 + ... + 2899330.

It is an arithmetic number, because the mean of its divisors is an integer number (69582816).

Almost surely, 2^272532649 is an apocalyptic number.

It is an amenable number.

272532649 is a deficient number, since it is larger than the sum of its proper divisors (5798615).

272532649 is an equidigital number, since it uses as much as digits as its factorization.

272532649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5798614.

The product of its digits is 181440, while the sum is 40.

The square root of 272532649 is about 16508.5628992956. The cubic root of 272532649 is about 648.3450197726.

The spelling of 272532649 in words is "two hundred seventy-two million, five hundred thirty-two thousand, six hundred forty-nine".