272471140 has 24 divisors (see below), whose sum is σ = 581572152. Its totient is φ = 107201280.

The previous prime is 272471131. The next prime is 272471141. The reversal of 272471140 is 41174272.

It can be written as a sum of positive squares in 4 ways, for example, as 9771876 + 262699264 = 3126^2 + 16208^2 .

It is a junction number, because it is equal to n+sod(n) for n = 272471099 and 272471108.

It is not an unprimeable number, because it can be changed into a prime (272471141) 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, 110449 + ... + 112888.

It is an arithmetic number, because the mean of its divisors is an integer number (24232173).

Almost surely, 2^272471140 is an apocalyptic number.

272471140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272471140 is an abundant number, since it is smaller than the sum of its proper divisors (309101012).

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

272471140 is a wasteful number, since it uses less digits than its factorization.

272471140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223407 (or 223405 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 272471140 is about 16506.6998518783. The cubic root of 272471140 is about 648.2962402294.

The spelling of 272471140 in words is "two hundred seventy-two million, four hundred seventy-one thousand, one hundred forty".