42017707 has 2 divisors, whose sum is σ = 42017708. Its totient is φ = 42017706.

The previous prime is 42017687. The next prime is 42017747. The reversal of 42017707 is 70771024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42017707 - 2¹⁵ = 41984939 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42017747) 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, 21008853 + 21008854.

It is an arithmetic number, because the mean of its divisors is an integer number (21008854).

Almost surely, 2^42017707 is an apocalyptic number.

42017707 is a deficient number, since it is larger than the sum of its proper divisors (1).

42017707 is an equidigital number, since it uses as much as digits as its factorization.

42017707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2744, while the sum is 28.

The square root of 42017707 is about 6482.1066791592. The cubic root of 42017707 is about 347.6515068348.

It can be divided in two parts, 42017 and 707, that added together give a palindrome (42724).

The spelling of 42017707 in words is "forty-two million, seventeen thousand, seven hundred seven".