42345586 has 8 divisors (see below), whose sum is σ = 63553644. Its totient is φ = 21161040.

The previous prime is 42345491. The next prime is 42345587. The reversal of 42345586 is 68554324.

It can be written as a sum of positive squares in 2 ways, for example, as 42003361 + 342225 = 6481^2 + 585^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42345587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325 + ... + 9208.

Almost surely, 2^42345586 is an apocalyptic number.

42345586 is a deficient number, since it is larger than the sum of its proper divisors (21208058).

42345586 is a wasteful number, since it uses less digits than its factorization.

42345586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11756.

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

The square root of 42345586 is about 6507.3486152196. The cubic root of 42345586 is about 348.5534473102.

The spelling of 42345586 in words is "forty-two million, three hundred forty-five thousand, five hundred eighty-six".