42670541 has 4 divisors (see below), whose sum is σ = 42772800. Its totient is φ = 42568284.

The previous prime is 42670519. The next prime is 42670553. The reversal of 42670541 is 14507624.

42670541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42670541 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 (42670241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50501 + ... + 51338.

It is an arithmetic number, because the mean of its divisors is an integer number (10693200).

Almost surely, 2^42670541 is an apocalyptic number.

It is an amenable number.

42670541 is a deficient number, since it is larger than the sum of its proper divisors (102259).

42670541 is a wasteful number, since it uses less digits than its factorization.

42670541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102258.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 42670541 is about 6532.2692075572. The cubic root of 42670541 is about 349.4427622679.

The spelling of 42670541 in words is "forty-two million, six hundred seventy thousand, five hundred forty-one".