42615075 has 12 divisors (see below), whose sum is σ = 70457048. Its totient is φ = 22728000.

The previous prime is 42615061. The next prime is 42615091. The reversal of 42615075 is 57051624.

It is not a de Polignac number, because 42615075 - 2⁴ = 42615059 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284026 + ... + 284175.

Almost surely, 2^42615075 is an apocalyptic number.

42615075 is a deficient number, since it is larger than the sum of its proper divisors (27841973).

42615075 is a wasteful number, since it uses less digits than its factorization.

42615075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568214 (or 568209 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 42615075 is about 6528.0222885649. The cubic root of 42615075 is about 349.2912869881.

Adding to 42615075 its reverse (57051624), we get a palindrome (99666699).

The spelling of 42615075 in words is "forty-two million, six hundred fifteen thousand, seventy-five".