272455320 has 64 divisors (see below), whose sum is σ = 820844640. Its totient is φ = 72345600.

The previous prime is 272455297. The next prime is 272455321. The reversal of 272455320 is 23554272.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272455321) 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, 24210 + ... + 33630.

Almost surely, 2^272455320 is an apocalyptic number.

272455320 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 272455320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410422320).

272455320 is an abundant number, since it is smaller than the sum of its proper divisors (548389320).

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

272455320 is a wasteful number, since it uses less digits than its factorization.

272455320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9676 (or 9672 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 272455320 is about 16506.2206455627. The cubic root of 272455320 is about 648.2836930351.

The spelling of 272455320 in words is "two hundred seventy-two million, four hundred fifty-five thousand, three hundred twenty".