272247172 has 6 divisors (see below), whose sum is σ = 476432558. Its totient is φ = 136123584.

The previous prime is 272247139. The next prime is 272247179. The reversal of 272247172 is 271742272.

It can be written as a sum of positive squares in only one way, i.e., 212401476 + 59845696 = 14574^2 + 7736^2 .

It is not an unprimeable number, because it can be changed into a prime (272247179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34030893 + ... + 34030900.

Almost surely, 2^272247172 is an apocalyptic number.

It is an amenable number.

272247172 is a deficient number, since it is larger than the sum of its proper divisors (204185386).

272247172 is a wasteful number, since it uses less digits than its factorization.

272247172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68061797 (or 68061795 counting only the distinct ones).

The product of its digits is 21952, while the sum is 34.

The square root of 272247172 is about 16499.9143028078. The cubic root of 272247172 is about 648.1185609664.

It can be divided in two parts, 2722 and 47172, that added together give a palindrome (49894).

The spelling of 272247172 in words is "two hundred seventy-two million, two hundred forty-seven thousand, one hundred seventy-two".