42568534 has 8 divisors (see below), whose sum is σ = 63961200. Its totient is φ = 21248136.

The previous prime is 42568501. The next prime is 42568543. The reversal of 42568534 is 43586524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42568493 and 42568502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16569 + ... + 18964.

It is an arithmetic number, because the mean of its divisors is an integer number (7995150).

Almost surely, 2^42568534 is an apocalyptic number.

42568534 is a deficient number, since it is larger than the sum of its proper divisors (21392666).

42568534 is a wasteful number, since it uses less digits than its factorization.

42568534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36134.

The product of its digits is 115200, while the sum is 37.

The square root of 42568534 is about 6524.4566057259. The cubic root of 42568534 is about 349.1640840568.

The spelling of 42568534 in words is "forty-two million, five hundred sixty-eight thousand, five hundred thirty-four".