420743371 has 2 divisors, whose sum is σ = 420743372. Its totient is φ = 420743370.

The previous prime is 420743363. The next prime is 420743437. The reversal of 420743371 is 173347024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420743371 - 2³ = 420743363 is a prime.

It is not a weakly prime, because it can be changed into another prime (420743471) 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 as a sum of consecutive naturals, namely, 210371685 + 210371686.

It is an arithmetic number, because the mean of its divisors is an integer number (210371686).

Almost surely, 2^420743371 is an apocalyptic number.

420743371 is a deficient number, since it is larger than the sum of its proper divisors (1).

420743371 is an equidigital number, since it uses as much as digits as its factorization.

420743371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 420743371 is about 20512.0299092996. The cubic root of 420743371 is about 749.3288045451.

The spelling of 420743371 in words is "four hundred twenty million, seven hundred forty-three thousand, three hundred seventy-one".