270891012 has 72 divisors (see below), whose sum is σ = 739803456. Its totient is φ = 76921152.

The previous prime is 270891011. The next prime is 270891017. The reversal of 270891012 is 210198072.

270891012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (270891011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100393 + ... + 103055.

It is an arithmetic number, because the mean of its divisors is an integer number (10275048).

Almost surely, 2^270891012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 270891012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369901728).

270891012 is an abundant number, since it is smaller than the sum of its proper divisors (468912444).

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

270891012 is a wasteful number, since it uses less digits than its factorization.

270891012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857 (or 2848 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 270891012 is about 16458.7670255095. The cubic root of 270891012 is about 647.0405993824.

The spelling of 270891012 in words is "two hundred seventy million, eight hundred ninety-one thousand, twelve".