42247594 has 8 divisors (see below), whose sum is σ = 63409248. Its totient is φ = 21111180.

The previous prime is 42247571. The next prime is 42247603. The reversal of 42247594 is 49574224.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1342 + ... + 9289.

It is an arithmetic number, because the mean of its divisors is an integer number (7926156).

Almost surely, 2^42247594 is an apocalyptic number.

42247594 is a deficient number, since it is larger than the sum of its proper divisors (21161654).

42247594 is a wasteful number, since it uses less digits than its factorization.

42247594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12620.

The product of its digits is 80640, while the sum is 37.

The square root of 42247594 is about 6499.8149204420. The cubic root of 42247594 is about 348.2843769225.

The spelling of 42247594 in words is "forty-two million, two hundred forty-seven thousand, five hundred ninety-four".