427604071 has 2 divisors, whose sum is σ = 427604072. Its totient is φ = 427604070.

The previous prime is 427604041. The next prime is 427604081. The reversal of 427604071 is 170406724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427604071 - 2¹⁵ = 427571303 is a prime.

It is a super-3 number, since 3×427604071³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427604041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213802035 + 213802036.

It is an arithmetic number, because the mean of its divisors is an integer number (213802036).

Almost surely, 2^427604071 is an apocalyptic number.

427604071 is a deficient number, since it is larger than the sum of its proper divisors (1).

427604071 is an equidigital number, since it uses as much as digits as its factorization.

427604071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 427604071 is about 20678.5896762811. The cubic root of 427604071 is about 753.3797518626.

The spelling of 427604071 in words is "four hundred twenty-seven million, six hundred four thousand, seventy-one".