272213720 has 64 divisors (see below), whose sum is σ = 644155200. Its totient is φ = 103380480.

The previous prime is 272213651. The next prime is 272213729. The reversal of 272213720 is 27312272.

It is a self number, because there is not a number n which added to its sum of digits gives 272213720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272213729) 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 15 ways as a sum of consecutive naturals, for example, 68837 + ... + 72683.

It is an arithmetic number, because the mean of its divisors is an integer number (10064925).

Almost surely, 2^272213720 is an apocalyptic number.

272213720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272213720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322077600).

272213720 is an abundant number, since it is smaller than the sum of its proper divisors (371941480).

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

272213720 is a wasteful number, since it uses less digits than its factorization.

272213720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948 (or 3944 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 272213720 is about 16498.9005694319. The cubic root of 272213720 is about 648.0920143176.

Adding to 272213720 its reverse (27312272), we get a palindrome (299525992).

The spelling of 272213720 in words is "two hundred seventy-two million, two hundred thirteen thousand, seven hundred twenty".