42568547 has 16 divisors (see below), whose sum is σ = 49900032. Its totient is φ = 35562240.

The previous prime is 42568543. The next prime is 42568583. The reversal of 42568547 is 74586524.

It is not a de Polignac number, because 42568547 - 2² = 42568543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42568543) 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, 47768 + ... + 48650.

It is an arithmetic number, because the mean of its divisors is an integer number (3118752).

Almost surely, 2^42568547 is an apocalyptic number.

42568547 is a deficient number, since it is larger than the sum of its proper divisors (7331485).

42568547 is an equidigital number, since it uses as much as digits as its factorization.

42568547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058.

The product of its digits is 268800, while the sum is 41.

The square root of 42568547 is about 6524.4576019773. The cubic root of 42568547 is about 349.1641196005.

The spelling of 42568547 in words is "forty-two million, five hundred sixty-eight thousand, five hundred forty-seven".