272721792 has 128 divisors (see below), whose sum is σ = 840153600. Its totient is φ = 76769280.

The previous prime is 272721773. The next prime is 272721793. The reversal of 272721792 is 297127272.

It is a tau number, because it is divible by the number of its divisors (128).

It is a zygodrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 272721792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272721793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190134 + ... + 191562.

It is an arithmetic number, because the mean of its divisors is an integer number (6563700).

Almost surely, 2^272721792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272721792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420076800).

272721792 is an abundant number, since it is smaller than the sum of its proper divisors (567431808).

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

272721792 is a wasteful number, since it uses less digits than its factorization.

272721792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524 (or 1512 counting only the distinct ones).

The product of its digits is 49392, while the sum is 39.

The square root of 272721792 is about 16514.2905388031. The cubic root of 272721792 is about 648.4949731382.

The spelling of 272721792 in words is "two hundred seventy-two million, seven hundred twenty-one thousand, seven hundred ninety-two".