272055616 has 56 divisors (see below), whose sum is σ = 619597440. Its totient is φ = 116101632.

The previous prime is 272055613. The next prime is 272055631. The reversal of 272055616 is 616550272.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-4 number, since 4×272055616⁴ (a number of 35 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272055611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116670 + ... + 118978.

It is an arithmetic number, because the mean of its divisors is an integer number (11064240).

Almost surely, 2^272055616 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 272055616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309798720).

272055616 is an abundant number, since it is smaller than the sum of its proper divisors (347541824).

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

272055616 is a wasteful number, since it uses less digits than its factorization.

272055616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591 (or 2581 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 272055616 is about 16494.1085239548. The cubic root of 272055616 is about 647.9665176014.

The spelling of 272055616 in words is "two hundred seventy-two million, fifty-five thousand, six hundred sixteen".