272217330 has 144 divisors (see below), whose sum is σ = 889342272. Its totient is φ = 56548800.

The previous prime is 272217329. The next prime is 272217353. The reversal of 272217330 is 33712272.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 272217294 and 272217303.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 74445 + ... + 78015.

It is an arithmetic number, because the mean of its divisors is an integer number (6175988).

Almost surely, 2^272217330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272217330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (444671136).

272217330 is an abundant number, since it is smaller than the sum of its proper divisors (617124942).

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

272217330 is a wasteful number, since it uses less digits than its factorization.

272217330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613 (or 3599 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 272217330 is about 16499.0099702982. The cubic root of 272217330 is about 648.0948792257.

The spelling of 272217330 in words is "two hundred seventy-two million, two hundred seventeen thousand, three hundred thirty".