272420180 has 12 divisors (see below), whose sum is σ = 572082420. Its totient is φ = 108968064.

The previous prime is 272420167. The next prime is 272420221. The reversal of 272420180 is 81024272.

It can be written as a sum of positive squares in 2 ways, for example, as 156900676 + 115519504 = 12526^2 + 10748^2 .

It is a super-5 number, since 5×272420180⁵ (a number of 43 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6810485 + ... + 6810524.

It is an arithmetic number, because the mean of its divisors is an integer number (47673535).

Almost surely, 2^272420180 is an apocalyptic number.

272420180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272420180 is an abundant number, since it is smaller than the sum of its proper divisors (299662240).

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

272420180 is a wasteful number, since it uses less digits than its factorization.

272420180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13621018 (or 13621016 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 272420180 is about 16505.1561640598. The cubic root of 272420180 is about 648.2558209808.

The spelling of 272420180 in words is "two hundred seventy-two million, four hundred twenty thousand, one hundred eighty".