270420979 has 2 divisors, whose sum is σ = 270420980. Its totient is φ = 270420978.

The previous prime is 270420961. The next prime is 270421001. The reversal of 270420979 is 979024072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 270420979 - 2⁵ = 270420947 is a prime.

It is not a weakly prime, because it can be changed into another prime (270420919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135210489 + 135210490.

It is an arithmetic number, because the mean of its divisors is an integer number (135210490).

Almost surely, 2^270420979 is an apocalyptic number.

270420979 is a deficient number, since it is larger than the sum of its proper divisors (1).

270420979 is an equidigital number, since it uses as much as digits as its factorization.

270420979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 270420979 is about 16444.4817188016. The cubic root of 270420979 is about 646.6661480434. Note that the first 3 decimals are identical.

The spelling of 270420979 in words is "two hundred seventy million, four hundred twenty thousand, nine hundred seventy-nine".