42106093 has 8 divisors (see below), whose sum is σ = 44662968. Its totient is φ = 39558144.

The previous prime is 42106087. The next prime is 42106133. The reversal of 42106093 is 39060124.

It can be written as a sum of positive squares in 4 ways, for example, as 2125764 + 39980329 = 1458^2 + 6323^2 .

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 42106093 - 2⁵ = 42106061 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 (42106013) 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, 9205 + ... + 12997.

It is an arithmetic number, because the mean of its divisors is an integer number (5582871).

Almost surely, 2^42106093 is an apocalyptic number.

It is an amenable number.

42106093 is a deficient number, since it is larger than the sum of its proper divisors (2556875).

42106093 is a wasteful number, since it uses less digits than its factorization.

42106093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 42106093 is about 6488.9207885441. The cubic root of 42106093 is about 347.8951025937.

The spelling of 42106093 in words is "forty-two million, one hundred six thousand, ninety-three".