42647575 has 6 divisors (see below), whose sum is σ = 52883024. Its totient is φ = 34118040.

The previous prime is 42647573. The next prime is 42647581. The reversal of 42647575 is 57574624.

It is not a de Polignac number, because 42647575 - 2¹ = 42647573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42647573) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 852927 + ... + 852976.

Almost surely, 2^42647575 is an apocalyptic number.

42647575 is a deficient number, since it is larger than the sum of its proper divisors (10235449).

42647575 is a wasteful number, since it uses less digits than its factorization.

42647575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705913 (or 1705908 counting only the distinct ones).

The product of its digits is 235200, while the sum is 40.

The square root of 42647575 is about 6530.5110826030. The cubic root of 42647575 is about 349.3800590343.

The spelling of 42647575 in words is "forty-two million, six hundred forty-seven thousand, five hundred seventy-five".