42173074 has 8 divisors (see below), whose sum is σ = 63305100. Its totient is φ = 21071376.

The previous prime is 42173059. The next prime is 42173093. The reversal of 42173074 is 47037124.

It can be written as a sum of positive squares in 2 ways, for example, as 33558849 + 8614225 = 5793^2 + 2935^2 .

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

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, 3709 + ... + 9904.

Almost surely, 2^42173074 is an apocalyptic number.

42173074 is a deficient number, since it is larger than the sum of its proper divisors (21132026).

42173074 is a wasteful number, since it uses less digits than its factorization.

42173074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15164.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 42173074 is about 6494.0799194343. The cubic root of 42173074 is about 348.0794782577.

The spelling of 42173074 in words is "forty-two million, one hundred seventy-three thousand, seventy-four".