42069075 has 24 divisors (see below), whose sum is σ = 71255856. Its totient is φ = 21888000.

The previous prime is 42069073. The next prime is 42069127. The reversal of 42069075 is 57096024.

It is not a de Polignac number, because 42069075 - 2¹ = 42069073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42069073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3766 + ... + 9915.

It is an arithmetic number, because the mean of its divisors is an integer number (2968994).

Almost surely, 2^42069075 is an apocalyptic number.

42069075 is a deficient number, since it is larger than the sum of its proper divisors (29186781).

42069075 is a wasteful number, since it uses less digits than its factorization.

42069075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13735 (or 13730 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 42069075 is about 6486.0677609781. The cubic root of 42069075 is about 347.7931208623.

The spelling of 42069075 in words is "forty-two million, sixty-nine thousand, seventy-five".