272421456 has 20 divisors (see below), whose sum is σ = 703755552. Its totient is φ = 90807136.

The previous prime is 272421451. The next prime is 272421463. The reversal of 272421456 is 654124272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272421451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2837676 + ... + 2837771.

Almost surely, 2^272421456 is an apocalyptic number.

It is an amenable number.

272421456 is an abundant number, since it is smaller than the sum of its proper divisors (431334096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

272421456 is a wasteful number, since it uses less digits than its factorization.

272421456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5675458 (or 5675452 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 272421456 is about 16505.1948186018. The cubic root of 272421456 is about 648.2568331099.

The spelling of 272421456 in words is "two hundred seventy-two million, four hundred twenty-one thousand, four hundred fifty-six".