270420947 has 2 divisors, whose sum is σ = 270420948. Its totient is φ = 270420946.

The previous prime is 270420919. The next prime is 270420949. The reversal of 270420947 is 749024072.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 270420947 - 2⁸ = 270420691 is a prime.

Together with 270420949, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (270420949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135210473 + 135210474.

It is an arithmetic number, because the mean of its divisors is an integer number (135210474).

Almost surely, 2^270420947 is an apocalyptic number.

270420947 is a deficient number, since it is larger than the sum of its proper divisors (1).

270420947 is an equidigital number, since it uses as much as digits as its factorization.

270420947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 270420947 is about 16444.4807458308. The cubic root of 270420947 is about 646.6661225359. Note that the first 3 decimals are identical.

The spelling of 270420947 in words is "two hundred seventy million, four hundred twenty thousand, nine hundred forty-seven".