270006381 has 12 divisors (see below), whose sum is σ = 393462108. Its totient is φ = 178410624.

The previous prime is 270006379. The next prime is 270006383. The reversal of 270006381 is 183600072.

270006381 is a `hidden beast` number, since 27 + 0 + 0 + 0 + 638 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (270006379) and next prime (270006383).

It can be written as a sum of positive squares in 2 ways, for example, as 35640900 + 234365481 = 5970^2 + 15309^2 .

It is not a de Polignac number, because 270006381 - 2¹ = 270006379 is a prime.

It is a super-2 number, since 2×270006381² = 145806891561434322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270006383) 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, 131730 + ... + 133763.

It is an arithmetic number, because the mean of its divisors is an integer number (32788509).

Almost surely, 2^270006381 is an apocalyptic number.

It is an amenable number.

270006381 is a deficient number, since it is larger than the sum of its proper divisors (123455727).

270006381 is a wasteful number, since it uses less digits than its factorization.

270006381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265612 (or 265609 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 270006381 is about 16431.8708916544. The cubic root of 270006381 is about 646.3354986168.

The spelling of 270006381 in words is "two hundred seventy million, six thousand, three hundred eighty-one".