272122380 has 36 divisors (see below), whose sum is σ = 825438432. Its totient is φ = 72565920.

The previous prime is 272122369. The next prime is 272122387. The reversal of 272122380 is 83221272.

It is a happy number.

272122380 is a `hidden beast` number, since 272 + 12 + 2 + 380 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (272122387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 755716 + ... + 756075.

Almost surely, 2^272122380 is an apocalyptic number.

272122380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272122380 is an abundant number, since it is smaller than the sum of its proper divisors (553316052).

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

272122380 is a wasteful number, since it uses less digits than its factorization.

272122380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511806 (or 1511801 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 272122380 is about 16496.1322739605. The cubic root of 272122380 is about 648.0195181592.

It can be divided in two parts, 27212 and 2380, that added together give a palindrome (29592).

The spelling of 272122380 in words is "two hundred seventy-two million, one hundred twenty-two thousand, three hundred eighty".