272303720 has 64 divisors (see below), whose sum is σ = 677693520. Its totient is φ = 97818624.

The previous prime is 272303719. The next prime is 272303723. The reversal of 272303720 is 27303272.

It can be written as a sum of positive squares in 8 ways, for example, as 109537156 + 162766564 = 10466^2 + 12758^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 272303720.

It is not an unprimeable number, because it can be changed into a prime (272303723) 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 15 ways as a sum of consecutive naturals, for example, 12164 + ... + 26316.

Almost surely, 2^272303720 is an apocalyptic number.

272303720 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 272303720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338846760).

272303720 is an abundant number, since it is smaller than the sum of its proper divisors (405389800).

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

272303720 is a wasteful number, since it uses less digits than its factorization.

272303720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14214 (or 14210 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 272303720 is about 16501.6277984931. The cubic root of 272303720 is about 648.1634310636.

Adding to 272303720 its reverse (27303272), we get a palindrome (299606992).

The spelling of 272303720 in words is "two hundred seventy-two million, three hundred three thousand, seven hundred twenty".