42107534 has 32 divisors (see below), whose sum is σ = 76377600. Its totient is φ = 17007840.

The previous prime is 42107531. The next prime is 42107539. The reversal of 42107534 is 43570124.

It is a super-2 number, since 2×42107534² = 3546088839122312, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42107531) 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, 82472 + ... + 82980.

It is an arithmetic number, because the mean of its divisors is an integer number (2386800).

Almost surely, 2^42107534 is an apocalyptic number.

42107534 is a deficient number, since it is larger than the sum of its proper divisors (34270066).

42107534 is a wasteful number, since it uses less digits than its factorization.

42107534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 42107534 is about 6489.0318230072. The cubic root of 42107534 is about 347.8990712286.

Adding to 42107534 its reverse (43570124), we get a palindrome (85677658).

The spelling of 42107534 in words is "forty-two million, one hundred seven thousand, five hundred thirty-four".