272064520 has 128 divisors (see below), whose sum is σ = 772208640. Its totient is φ = 83957760.

The previous prime is 272064511. The next prime is 272064523. The reversal of 272064520 is 25460272.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (272064523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148329 + ... + 150151.

It is an arithmetic number, because the mean of its divisors is an integer number (6032880).

Almost surely, 2^272064520 is an apocalyptic number.

272064520 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 272064520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386104320).

272064520 is an abundant number, since it is smaller than the sum of its proper divisors (500144120).

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

272064520 is a wasteful number, since it uses less digits than its factorization.

272064520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895 (or 1891 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 272064520 is about 16494.3784363037. The cubic root of 272064520 is about 647.9735865370.

The spelling of 272064520 in words is "two hundred seventy-two million, sixty-four thousand, five hundred twenty".