42407271 has 6 divisors (see below), whose sum is σ = 61254960. Its totient is φ = 28271508.

The previous prime is 42407257. The next prime is 42407303. The reversal of 42407271 is 17270424.

It is a happy number.

42407271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42407271 - 2¹⁸ = 42145127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42407201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2355951 + ... + 2355968.

It is an arithmetic number, because the mean of its divisors is an integer number (10209160).

Almost surely, 2^42407271 is an apocalyptic number.

42407271 is a deficient number, since it is larger than the sum of its proper divisors (18847689).

42407271 is a wasteful number, since it uses less digits than its factorization.

42407271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711925 (or 4711922 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 42407271 is about 6512.0865319804. The cubic root of 42407271 is about 348.7226116388.

Adding to 42407271 its reverse (17270424), we get a palindrome (59677695).

It can be divided in two parts, 4240 and 7271, that added together give a palindrome (11511).

The spelling of 42407271 in words is "forty-two million, four hundred seven thousand, two hundred seventy-one".