42175390 has 8 divisors (see below), whose sum is σ = 75915720. Its totient is φ = 16870152.

The previous prime is 42175387. The next prime is 42175417. The reversal of 42175390 is 9357124.

42175390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

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, 2108760 + ... + 2108779.

It is an arithmetic number, because the mean of its divisors is an integer number (9489465).

Almost surely, 2^42175390 is an apocalyptic number.

42175390 is a deficient number, since it is larger than the sum of its proper divisors (33740330).

42175390 is a wasteful number, since it uses less digits than its factorization.

42175390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217546.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 42175390 is about 6494.2582332396. The cubic root of 42175390 is about 348.0858499165.

The spelling of 42175390 in words is "forty-two million, one hundred seventy-five thousand, three hundred ninety".