420060071 has 2 divisors, whose sum is σ = 420060072. Its totient is φ = 420060070.

The previous prime is 420060019. The next prime is 420060073. The reversal of 420060071 is 170060024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420060071 - 2⁶ = 420060007 is a prime.

Together with 420060073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420060073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210030035 + 210030036.

It is an arithmetic number, because the mean of its divisors is an integer number (210030036).

Almost surely, 2^420060071 is an apocalyptic number.

420060071 is a deficient number, since it is larger than the sum of its proper divisors (1).

420060071 is an equidigital number, since it uses as much as digits as its factorization.

420060071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 420060071 is about 20495.3670618508. The cubic root of 420060071 is about 748.9229405161.

The spelling of 420060071 in words is "four hundred twenty million, sixty thousand, seventy-one".