420730627 has 2 divisors, whose sum is σ = 420730628. Its totient is φ = 420730626.

The previous prime is 420730601. The next prime is 420730631. The reversal of 420730627 is 726037024.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420730627 - 2¹¹ = 420728579 is a prime.

It is not a weakly prime, because it can be changed into another prime (420730657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210365313 + 210365314.

It is an arithmetic number, because the mean of its divisors is an integer number (210365314).

Almost surely, 2^420730627 is an apocalyptic number.

420730627 is a deficient number, since it is larger than the sum of its proper divisors (1).

420730627 is an equidigital number, since it uses as much as digits as its factorization.

420730627 is an evil number, because the sum of its binary digits is even.

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

The square root of 420730627 is about 20511.7192599743. The cubic root of 420730627 is about 749.3212389336.

The spelling of 420730627 in words is "four hundred twenty million, seven hundred thirty thousand, six hundred twenty-seven".