442607047 has 2 divisors, whose sum is σ = 442607048. Its totient is φ = 442607046.

The previous prime is 442607027. The next prime is 442607063. The reversal of 442607047 is 740706244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442607047 - 2¹⁹ = 442082759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442607027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221303523 + 221303524.

It is an arithmetic number, because the mean of its divisors is an integer number (221303524).

Almost surely, 2^442607047 is an apocalyptic number.

442607047 is a deficient number, since it is larger than the sum of its proper divisors (1).

442607047 is an equidigital number, since it uses as much as digits as its factorization.

442607047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 442607047 is about 21038.2282286318. The cubic root of 442607047 is about 762.0897282984.

The spelling of 442607047 in words is "four hundred forty-two million, six hundred seven thousand, forty-seven".