42147093 has 8 divisors (see below), whose sum is σ = 56236000. Its totient is φ = 28078128.

The previous prime is 42147067. The next prime is 42147101. The reversal of 42147093 is 39074124.

It is a happy number.

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

It is not a de Polignac number, because 42147093 - 2⁹ = 42146581 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42147093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42147013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 963 + ... + 9231.

It is an arithmetic number, because the mean of its divisors is an integer number (7029500).

Almost surely, 2^42147093 is an apocalyptic number.

It is an amenable number.

42147093 is a deficient number, since it is larger than the sum of its proper divisors (14088907).

42147093 is a wasteful number, since it uses less digits than its factorization.

42147093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9971.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 42147093 is about 6492.0792509026. The cubic root of 42147093 is about 348.0079846893.

The spelling of 42147093 in words is "forty-two million, one hundred forty-seven thousand, ninety-three".