42173984 has 24 divisors (see below), whose sum is σ = 83187468. Its totient is φ = 21047040.

The previous prime is 42173959. The next prime is 42174007. The reversal of 42173984 is 48937124.

It can be written as a sum of positive squares in 2 ways, for example, as 38093584 + 4080400 = 6172^2 + 2020^2 .

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, 23354 + ... + 25094.

Almost surely, 2^42173984 is an apocalyptic number.

It is an amenable number.

42173984 is a deficient number, since it is larger than the sum of its proper divisors (41013484).

42173984 is a wasteful number, since it uses less digits than its factorization.

42173984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508 (or 2500 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 42173984 is about 6494.1499828692. The cubic root of 42173984 is about 348.0819818302.

The spelling of 42173984 in words is "forty-two million, one hundred seventy-three thousand, nine hundred eighty-four".