42173446 has 8 divisors (see below), whose sum is σ = 72297360. Its totient is φ = 18074328.

The previous prime is 42173441. The next prime is 42173449. The reversal of 42173446 is 64437124.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42173441) 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, 1506181 + ... + 1506208.

It is an arithmetic number, because the mean of its divisors is an integer number (9037170).

Almost surely, 2^42173446 is an apocalyptic number.

42173446 is a deficient number, since it is larger than the sum of its proper divisors (30123914).

42173446 is a wasteful number, since it uses less digits than its factorization.

42173446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012398.

The product of its digits is 16128, while the sum is 31.

The square root of 42173446 is about 6494.1085608419. The cubic root of 42173446 is about 348.0805017005.

The spelling of 42173446 in words is "forty-two million, one hundred seventy-three thousand, four hundred forty-six".