272780 has 24 divisors (see below), whose sum is σ = 598752. Its totient is φ = 104192.

The previous prime is 272777. The next prime is 272807. The reversal of 272780 is 87272.

272780 is nontrivially palindromic in base 15.

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164 + ... + 756.

It is an arithmetic number, because the mean of its divisors is an integer number (24948).

2²⁷²⁷⁸⁰ is an apocalyptic number.

272780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299376).

272780 is an abundant number, since it is smaller than the sum of its proper divisors (325972).

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

272780 is a wasteful number, since it uses less digits than its factorization.

272780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 272780 is about 522.2834479476. The cubic root of 272780 is about 64.8541106733.

The spelling of 272780 in words is "two hundred seventy-two thousand, seven hundred eighty".