270705156 has 12 divisors (see below), whose sum is σ = 631645392. Its totient is φ = 90235048.

The previous prime is 270705143. The next prime is 270705181. The reversal of 270705156 is 651507072.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 11279370 + ... + 11279393.

It is an arithmetic number, because the mean of its divisors is an integer number (52637116).

Almost surely, 2^270705156 is an apocalyptic number.

It is an amenable number.

270705156 is an abundant number, since it is smaller than the sum of its proper divisors (360940236).

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

270705156 is a wasteful number, since it uses less digits than its factorization.

270705156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22558770 (or 22558768 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 270705156 is about 16453.1199472927. The cubic root of 270705156 is about 646.8925891924.

The spelling of 270705156 in words is "two hundred seventy million, seven hundred five thousand, one hundred fifty-six".