42208007 has 2 divisors, whose sum is σ = 42208008. Its totient is φ = 42208006.

The previous prime is 42208003. The next prime is 42208027. The reversal of 42208007 is 70080224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42208007 - 2² = 42208003 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42208003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21104003 + 21104004.

It is an arithmetic number, because the mean of its divisors is an integer number (21104004).

Almost surely, 2^42208007 is an apocalyptic number.

42208007 is a deficient number, since it is larger than the sum of its proper divisors (1).

42208007 is an equidigital number, since it uses as much as digits as its factorization.

42208007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 42208007 is about 6496.7689661862. The cubic root of 42208007 is about 348.1755593467.

The spelling of 42208007 in words is "forty-two million, two hundred eight thousand, seven".