272544420 has 24 divisors (see below), whose sum is σ = 763124544. Its totient is φ = 72678496.

The previous prime is 272544397. The next prime is 272544421. The reversal of 272544420 is 24445272.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (272544421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2271144 + ... + 2271263.

It is an arithmetic number, because the mean of its divisors is an integer number (31796856).

Almost surely, 2^272544420 is an apocalyptic number.

272544420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272544420 is an abundant number, since it is smaller than the sum of its proper divisors (490580124).

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

272544420 is a wasteful number, since it uses less digits than its factorization.

272544420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4542419 (or 4542417 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 272544420 is about 16508.9194073991. The cubic root of 272544420 is about 648.3543538951.

Adding to 272544420 its reverse (24445272), we get a palindrome (296989692).

The spelling of 272544420 in words is "two hundred seventy-two million, five hundred forty-four thousand, four hundred twenty".