42175970 has 8 divisors (see below), whose sum is σ = 75916764. Its totient is φ = 16870384.

The previous prime is 42175957. The next prime is 42175981. The reversal of 42175970 is 7957124.

It can be written as a sum of positive squares in 2 ways, for example, as 41229241 + 946729 = 6421^2 + 973^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42175970.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2108789 + ... + 2108808.

Almost surely, 2^42175970 is an apocalyptic number.

42175970 is a deficient number, since it is larger than the sum of its proper divisors (33740794).

42175970 is a wasteful number, since it uses less digits than its factorization.

42175970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4217604.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 42175970 is about 6494.3028879165. The cubic root of 42175970 is about 348.0874455458.

The spelling of 42175970 in words is "forty-two million, one hundred seventy-five thousand, nine hundred seventy".