42007317 has 16 divisors (see below), whose sum is σ = 61248000. Its totient is φ = 25398000.

The previous prime is 42007307. The next prime is 42007319. The reversal of 42007317 is 71370024.

It is not a de Polignac number, because 42007317 - 2¹¹ = 42005269 is a prime.

It is a super-2 number, since 2×42007317² = 3529229363076978, which contains 22 as substring.

42007317 is a modest number, since divided by 7317 gives 420 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42007319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15192 + ... + 17742.

It is an arithmetic number, because the mean of its divisors is an integer number (3828000).

Almost surely, 2^42007317 is an apocalyptic number.

It is an amenable number.

42007317 is a deficient number, since it is larger than the sum of its proper divisors (19240683).

42007317 is a wasteful number, since it uses less digits than its factorization.

42007317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 42007317 is about 6481.3051926290. The cubic root of 42007317 is about 347.6228490998.

It can be divided in two parts, 42007 and 317, that added together give a palindrome (42324).

The spelling of 42007317 in words is "forty-two million, seven thousand, three hundred seventeen".