42075897 has 16 divisors (see below), whose sum is σ = 59911680. Its totient is φ = 26208000.

The previous prime is 42075871. The next prime is 42075941. The reversal of 42075897 is 79857024.

It is not a de Polignac number, because 42075897 - 2¹² = 42071801 is a prime.

It is a super-2 number, since 2×42075897² = 3540762216709218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42075827) 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 in 15 ways as a sum of consecutive naturals, for example, 5104 + ... + 10497.

It is an arithmetic number, because the mean of its divisors is an integer number (3744480).

Almost surely, 2^42075897 is an apocalyptic number.

It is an amenable number.

42075897 is a deficient number, since it is larger than the sum of its proper divisors (17835783).

42075897 is a wasteful number, since it uses less digits than its factorization.

42075897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15664.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 42075897 is about 6486.5936361082. The cubic root of 42075897 is about 347.8119194408.

The spelling of 42075897 in words is "forty-two million, seventy-five thousand, eight hundred ninety-seven".