272492649 has 24 divisors (see below), whose sum is σ = 462413952. Its totient is φ = 152442720.

The previous prime is 272492639. The next prime is 272492653. The reversal of 272492649 is 946294272.

It is a happy number.

It is not a de Polignac number, because 272492649 - 2¹⁵ = 272459881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272492629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104577 + ... + 107150.

It is an arithmetic number, because the mean of its divisors is an integer number (19267248).

Almost surely, 2^272492649 is an apocalyptic number.

It is an amenable number.

272492649 is a deficient number, since it is larger than the sum of its proper divisors (189921303).

272492649 is a wasteful number, since it uses less digits than its factorization.

272492649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211757 (or 211754 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 272492649 is about 16507.3513623476. The cubic root of 272492649 is about 648.3132987173.

The spelling of 272492649 in words is "two hundred seventy-two million, four hundred ninety-two thousand, six hundred forty-nine".