272868640 has 96 divisors (see below), whose sum is σ = 707724864. Its totient is φ = 98595840.

The previous prime is 272868637. The next prime is 272868641. The reversal of 272868640 is 46868272.

It is not an unprimeable number, because it can be changed into a prime (272868641) 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, 346327 + ... + 347113.

It is an arithmetic number, because the mean of its divisors is an integer number (7372134).

Almost surely, 2^272868640 is an apocalyptic number.

272868640 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 272868640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353862432).

272868640 is an abundant number, since it is smaller than the sum of its proper divisors (434856224).

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

272868640 is a wasteful number, since it uses less digits than its factorization.

272868640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 272868640 is about 16518.7360291277. The cubic root of 272868640 is about 648.6113470466.

The spelling of 272868640 in words is "two hundred seventy-two million, eight hundred sixty-eight thousand, six hundred forty".