272647564 has 72 divisors (see below), whose sum is σ = 600530112. Its totient is φ = 107573760.

The previous prime is 272647553. The next prime is 272647567. The reversal of 272647564 is 465746272.

It is a self number, because there is not a number n which added to its sum of digits gives 272647564.

It is not an unprimeable number, because it can be changed into a prime (272647567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155734 + ... + 157474.

It is an arithmetic number, because the mean of its divisors is an integer number (8340696).

Almost surely, 2^272647564 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 272647564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300265056).

272647564 is an abundant number, since it is smaller than the sum of its proper divisors (327882548).

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

272647564 is a wasteful number, since it uses less digits than its factorization.

272647564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823 (or 1814 counting only the distinct ones).

The product of its digits is 564480, while the sum is 43.

The square root of 272647564 is about 16512.0429989750. The cubic root of 272647564 is about 648.4361331357.

The spelling of 272647564 in words is "two hundred seventy-two million, six hundred forty-seven thousand, five hundred sixty-four".