420727627 has 2 divisors, whose sum is σ = 420727628. Its totient is φ = 420727626.

The previous prime is 420727603. The next prime is 420727631. The reversal of 420727627 is 726727024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420727627 - 2¹¹ = 420725579 is a prime.

It is a super-2 number, since 2×420727627² = 354023472242102258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (420727427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210363813 + 210363814.

It is an arithmetic number, because the mean of its divisors is an integer number (210363814).

Almost surely, 2^420727627 is an apocalyptic number.

420727627 is a deficient number, since it is larger than the sum of its proper divisors (1).

420727627 is an equidigital number, since it uses as much as digits as its factorization.

420727627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 420727627 is about 20511.6461309179. The cubic root of 420727627 is about 749.3194579294.

The spelling of 420727627 in words is "four hundred twenty million, seven hundred twenty-seven thousand, six hundred twenty-seven".