270666729 has 24 divisors (see below), whose sum is σ = 405267720. Its totient is φ = 173933568.

The previous prime is 270666709. The next prime is 270666757. The reversal of 270666729 is 927666072.

It can be written as a sum of positive squares in 4 ways, for example, as 91240704 + 179426025 = 9552^2 + 13395^2 .

It is a de Polignac number, because none of the positive numbers 2^k-270666729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (270666709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32569 + ... + 40025.

It is an arithmetic number, because the mean of its divisors is an integer number (16886155).

Almost surely, 2^270666729 is an apocalyptic number.

It is an amenable number.

270666729 is a deficient number, since it is larger than the sum of its proper divisors (134600991).

270666729 is a wasteful number, since it uses less digits than its factorization.

270666729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7609 (or 7606 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 270666729 is about 16451.9521334096. The cubic root of 270666729 is about 646.8619786219.

The spelling of 270666729 in words is "two hundred seventy million, six hundred sixty-six thousand, seven hundred twenty-nine".