42067297 has 2 divisors, whose sum is σ = 42067298. Its totient is φ = 42067296.

The previous prime is 42067243. The next prime is 42067309. The reversal of 42067297 is 79276024.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41075281 + 992016 = 6409^2 + 996^2 .

It is a cyclic number.

It is not a de Polignac number, because 42067297 - 2⁷ = 42067169 is a prime.

It is a super-3 number, since 3×42067297³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (42067237) 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, 21033648 + 21033649.

It is an arithmetic number, because the mean of its divisors is an integer number (21033649).

Almost surely, 2^42067297 is an apocalyptic number.

It is an amenable number.

42067297 is a deficient number, since it is larger than the sum of its proper divisors (1).

42067297 is an equidigital number, since it uses as much as digits as its factorization.

42067297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 42067297 is about 6485.9306965153. The cubic root of 42067297 is about 347.7882211041.

The spelling of 42067297 in words is "forty-two million, sixty-seven thousand, two hundred ninety-seven".