42543067 has 8 divisors (see below), whose sum is σ = 50189312. Its totient is φ = 35289000.

The previous prime is 42543049. The next prime is 42543073. The reversal of 42543067 is 76034524.

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

It is a cyclic number.

It is not a de Polignac number, because 42543067 - 2²³ = 34154459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42543097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97809 + ... + 98242.

It is an arithmetic number, because the mean of its divisors is an integer number (6273664).

Almost surely, 2^42543067 is an apocalyptic number.

42543067 is a deficient number, since it is larger than the sum of its proper divisors (7646245).

42543067 is a wasteful number, since it uses less digits than its factorization.

42543067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196089.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 42543067 is about 6522.5046569550. The cubic root of 42543067 is about 349.0944400047.

The spelling of 42543067 in words is "forty-two million, five hundred forty-three thousand, sixty-seven".